diff --git a/src/privateer/cpp/clipper-glyco.cpp b/src/privateer/cpp/clipper-glyco.cpp
index 0f7de680..66dc9bfb 100644
--- a/src/privateer/cpp/clipper-glyco.cpp
+++ b/src/privateer/cpp/clipper-glyco.cpp
@@ -5483,13 +5483,13 @@ void MGlycology::init ( const clipper::MiniMol& mmol, const clipper::MAtomNonBon
                     {
                         sugar.override_conformation_diag ( true );
                     }
+                    if ( sugar.conformation_name() == "4c1" )
+                    {
+                        sugar.override_conformation_diag ( false );
+                    }
                     if (sugar.type().trim() == "BMA")
                     {
                         sugar.override_anomer_diag( false );
-                        if ( sugar.conformation_name() == "4c1" )
-                        {
-                            sugar.override_conformation_diag ( false );
-                        }
                     }
 
                     clipper::MAtom o5 = sugar.ring_members()[0];              // O5
diff --git a/src/privateer/cpp/privateer-lib.cpp b/src/privateer/cpp/privateer-lib.cpp
index 7f77cd71..05339172 100644
--- a/src/privateer/cpp/privateer-lib.cpp
+++ b/src/privateer/cpp/privateer-lib.cpp
@@ -1046,7 +1046,6 @@ void privateer::util::print_monosaccharide_summary (bool batch, bool showGeom, i
             printf("%c%c%c%c\t%s-",input_model[1+pos_slash],input_model[2+pos_slash],input_model[3+pos_slash],input_model[4+pos_slash], ligandList[index].second.type().c_str());
             std::cout << ligandList[index].first << "-" << ligandList[index].second.id().trim() << "  ";
         }
-
         if (batch)
         {
             std::vector<clipper::ftype> cpParams(10, 0);
@@ -1072,12 +1071,13 @@ void privateer::util::print_monosaccharide_summary (bool batch, bool showGeom, i
                 {
                     ligandList[index].second.override_conformation_diag ( true );
                 }
+                if (ligandList[index].second.conformation_name() == "4c1")
+                {
+                    ligandList[index].second.override_conformation_diag ( false );
+                }
                 if (ligandList[index].second.type().trim() == "BMA" )
                 {
                     ligandList[index].second.override_anomer_diag ( false );
-                    if (ligandList[index].second.conformation_name() == "4c1"){
-                        ligandList[index].second.override_conformation_diag ( false );
-                    }
                 }
                 fprintf ( output, "\t(c) " );
             }
@@ -1108,6 +1108,10 @@ void privateer::util::print_monosaccharide_summary (bool batch, bool showGeom, i
                         {
                             fprintf(output, "\tcheck");
                         }
+                        else if ( ! ligandList[index].second.ok_with_anomer () )
+                        {
+                            fprintf(output, "\tcheck");
+                        }
                         else fprintf(output, "\tyes");
                     }
                     else
@@ -1178,12 +1182,13 @@ void privateer::util::print_monosaccharide_summary (bool batch, bool showGeom, i
                 {
                     ligandList[index].second.override_conformation_diag ( true );
                 }
+                if (ligandList[index].second.conformation_name() == "4c1")
+                {
+                    ligandList[index].second.override_conformation_diag ( false );
+                }
                 if (ligandList[index].second.type().trim() == "BMA" )
                 {
                     ligandList[index].second.override_anomer_diag ( false );
-                    if (ligandList[index].second.conformation_name() == "4c1"){
-                        ligandList[index].second.override_conformation_diag ( false );
-                    }
                 }
                 std::cout << "\t(c) ";
             }
@@ -1212,6 +1217,10 @@ void privateer::util::print_monosaccharide_summary (bool batch, bool showGeom, i
                     {
                         if ( ! ligandList[index].second.ok_with_conformation () )
                             printf("\tcheck");
+                        else if ( ! ligandList[index].second.ok_with_anomer () )
+                        {
+                            printf("\tcheck");
+                        }
                         else
                             printf("\tyes");
                     }
@@ -1303,12 +1312,13 @@ void privateer::util::print_monosaccharide_summary_python (bool batch, bool show
             {
                 ligandList[index].second.override_conformation_diag ( true );
             }
+            if (ligandList[index].second.conformation_name() == "4c1")
+            {
+                ligandList[index].second.override_conformation_diag ( false );
+            }
             if (ligandList[index].second.type().trim() == "BMA" )
             {
                 ligandList[index].second.override_anomer_diag ( false );
-                if (ligandList[index].second.conformation_name() == "4c1"){
-                    ligandList[index].second.override_conformation_diag ( false );
-                }
             }
             std::cout << "\t(c) ";
         }
@@ -1337,6 +1347,10 @@ void privateer::util::print_monosaccharide_summary_python (bool batch, bool show
                 {
                     if ( ! ligandList[index].second.ok_with_conformation () )
                         printf("\tcheck");
+                    else if ( ! ligandList[index].second.ok_with_anomer () )
+                    {
+                        printf("\tcheck");
+                    }
                     else
                         printf("\tyes");
                 }
diff --git a/src/privateer/cpp/privateer-lib.h b/src/privateer/cpp/privateer-lib.h
index 10c8b03d..dfb695de 100644
--- a/src/privateer/cpp/privateer-lib.h
+++ b/src/privateer/cpp/privateer-lib.h
@@ -114,13 +114,13 @@ namespace privateer
                     {
                         sugar.override_conformation_diag ( true );
                     }
+                    if ( sugar.conformation_name() == "4c1" )
+                    {
+                        sugar.override_conformation_diag ( false );
+                    }
                     if (sugar.type().trim() == "BMA")
                     {
                         sugar.override_anomer_diag( false );
-                        if ( sugar.conformation_name() == "4c1" )
-                        {
-                            sugar.override_conformation_diag ( false );
-                        }
                     }
                 }
                 if ( sugar.ok_with_conformation() && sugar.ok_with_anomer() &&
@@ -152,13 +152,14 @@ namespace privateer
                 {
                     sugar.override_conformation_diag ( true );
                 }
+                if ( sugar.conformation_name() == "4c1" )
+                {
+                    sugar.override_conformation_diag ( false );
+                }
                 if (sugar.type().trim() == "BMA")
                 {
                     sugar.override_anomer_diag( false );
-                    if ( sugar.conformation_name() == "4c1" )
-                    {
-                        sugar.override_conformation_diag ( false );
-                    }
+
                 }
             }
 
diff --git a/src/privateer/cpp/privateer.cpp b/src/privateer/cpp/privateer.cpp
index 3caebed8..066c9469 100644
--- a/src/privateer/cpp/privateer.cpp
+++ b/src/privateer/cpp/privateer.cpp
@@ -931,9 +931,20 @@ int main(int argc, char** argv)
                             }
                             else if ( list_of_glycans[i].get_type() == "c-glycan" )
                             {
-
-                              ligandList[index].second.set_context ( "c-glycan" );
-                              fprintf ( output, "\t(c) " );
+                                if ( (ligandList[index].second.type().trim() == "MAN" ) && (ligandList[index].second.conformation_name() == "1c4"))
+                                {
+                                    ligandList[index].second.override_conformation_diag ( true );
+                                }
+                                if (ligandList[index].second.conformation_name() == "4c1")
+                                {
+                                    ligandList[index].second.override_conformation_diag ( false );
+                                }
+                                if (ligandList[index].second.type().trim() == "BMA" )
+                                {
+                                    ligandList[index].second.override_anomer_diag ( false );
+                                }
+                                ligandList[index].second.set_context ( "c-glycan" );
+                                fprintf ( output, "\t(c) " );
                             }
                             else if ( list_of_glycans[i].get_type() == "o-glycan" )
                             {
@@ -981,6 +992,10 @@ int main(int argc, char** argv)
                             {
                                 fprintf(output, "\tcheck");
                             }
+                            else if ( ! ligandList[index].second.ok_with_anomer() )
+                            {
+                                fprintf(output, "\tcheck");
+                            }
                             else
                                 fprintf(output, "\tyes");
                         }
@@ -1070,6 +1085,18 @@ int main(int argc, char** argv)
                             }
                             else if ( list_of_glycans[i].get_type() == "c-glycan" )
                             {
+                                if ( (ligandList[index].second.type().trim() == "MAN" ) && (ligandList[index].second.conformation_name() == "1c4"))
+                                {
+                                    ligandList[index].second.override_conformation_diag ( true );
+                                }
+                                if (ligandList[index].second.conformation_name() == "4c1")
+                                {
+                                    ligandList[index].second.override_conformation_diag ( false );
+                                }
+                                if (ligandList[index].second.type().trim() == "BMA" )
+                                {
+                                    ligandList[index].second.override_anomer_diag ( false );
+                                }
                                 ligandList[index].second.set_context ( "c-glycan" );
 
                                 std::cout << "\t(c) ";
@@ -1122,6 +1149,10 @@ int main(int argc, char** argv)
                             {
                                 printf("\tcheck");
                             }
+                            else if ( ! ligandList[index].second.ok_with_anomer () )
+                            {
+                                printf("\tcheck");
+                            }
                             else printf("\tyes");
                         }
                         else
@@ -1255,6 +1286,15 @@ int main(int argc, char** argv)
                 }
                 else // sugar is sane, but still need to check higher-energy conformations
                 {
+                    if (!ligandList[k].second.ok_with_anomer()) // FLAG: Here for c-glycan case where sanity check has happened before diagnostics overidden. 
+                    {
+                        if ( n_errors > 0 )
+                            diagnostic.append(", wrong anomer");
+                        else
+                            diagnostic.append("wrong anomer");
+
+                        n_errors++; n_anomer++;
+                    }
                     if ( !ligandList[k].second.ok_with_conformation() )
                     {
                         if ( n_errors > 0 )
@@ -3206,6 +3246,22 @@ int main(int argc, char** argv)
             }
             else // sugar is sane, but still need to check higher-energy conformations
             {
+                if (!ligandList[k].second.ok_with_anomer()) // FLAG: Here for c-glycan case where sanity check has happened before diagnostics overidden. 
+                {
+                    if ( n_errors > 0 )
+                    {
+                        diagnostic.append(", wrong anomer");
+                        report.append(", wrong anomer");
+                    }
+                    else
+                    {
+                        diagnostic.append("wrong anomer");
+                        report.append("Wrong anomer");
+                    }
+
+                    n_errors++;
+                    n_anomer++;
+                }
                 if ( !ligandList[k].second.ok_with_conformation() )
                 {
                     if ( n_errors > 0 )