diff --git a/configure.in.in b/configure.in.in
index a38b803..35a883e 100644
--- a/configure.in.in
+++ b/configure.in.in
@@ -29,7 +29,8 @@ fi
 AX_CHECK_DOCBOOK
 
 # libzypp uses the C++17 standard
-CXXFLAGS="${CXXFLAGS} -std=c++17"
+# treat missing values in switch statements as errors
+CXXFLAGS="${CXXFLAGS} -std=c++17 -Werror=switch"
 
 ## and generate the output
 @YAST2-OUTPUT@
diff --git a/package/yast2-pkg-bindings.changes b/package/yast2-pkg-bindings.changes
index ade567a..282f879 100644
--- a/package/yast2-pkg-bindings.changes
+++ b/package/yast2-pkg-bindings.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Thu Jan 18 14:18:02 UTC 2024 - Ladislav Slezák <lslezak@suse.com>
+
+- Fixed repository and service probing with libzypp 7.31.26
+  and newer, convert the type to string by pkg-bindings,
+  not by libzypp which might change it (bsc#1218399)
+- 5.0.4
+
 -------------------------------------------------------------------
 Tue Jan 16 14:32:15 UTC 2024 - Ladislav Slezák <lslezak@suse.com>
 
diff --git a/package/yast2-pkg-bindings.spec b/package/yast2-pkg-bindings.spec
index dabf8c0..4ab68ba 100644
--- a/package/yast2-pkg-bindings.spec
+++ b/package/yast2-pkg-bindings.spec
@@ -17,7 +17,7 @@
 
 
 Name:           yast2-pkg-bindings
-Version:        5.0.3
+Version:        5.0.4
 Release:        0
 Summary:        YaST2 - Package Manager Access
 License:        GPL-2.0-only
diff --git a/src/PkgFunctions.h b/src/PkgFunctions.h
index f8b0499..827c9ec 100644
--- a/src/PkgFunctions.h
+++ b/src/PkgFunctions.h
@@ -149,7 +149,7 @@ class PkgFunctions
       bool remoteRepo(const zypp::Url &url);
 
       // conversion methods for type string between Yast and libzypp (for backward compatibility)
-      std::string zypp2yastType(const std::string &type);
+      std::string zypp2yastType(const zypp::repo::RepoType &type);
       std::string yast2zyppType(const std::string &type);
 
       // helper - create a directory if it doesn't exist
diff --git a/src/ServiceManager.cc b/src/ServiceManager.cc
index 4cd69b6..6348e1f 100644
--- a/src/ServiceManager.cc
+++ b/src/ServiceManager.cc
@@ -300,7 +300,17 @@ bool ServiceManager::SetService(const std::string &old_alias, const zypp::Servic
 std::string ServiceManager::Probe(const zypp::Url &url, const zypp::RepoManager &repomgr) const
 {
     y2milestone("Probing service at %s...", url.asString().c_str());
-    std::string ret(repomgr.probeService(url).asString());
+
+    std::string ret;
+
+    zypp::repo::ServiceType type(repomgr.probeService(url));
+    switch (type.toEnum())
+    {
+      case zypp::repo::ServiceType::NONE_e:        ret = "NONE";    break;
+      case zypp::repo::ServiceType::PLUGIN_e:      ret = "plugin";  break;
+      case zypp::repo::ServiceType::RIS_e:         ret = "ris";     break;
+    }
+
     y2milestone("Detected service type: %s", ret.c_str());
 
     return ret;
diff --git a/src/Source_Create.cc b/src/Source_Create.cc
index ed4d709..f904dd8 100644
--- a/src/Source_Create.cc
+++ b/src/Source_Create.cc
@@ -814,7 +814,7 @@ YCPValue PkgFunctions::RepositoryProbe(const YCPString& url, const YCPString& pr
 	// autoprobe type of the repository 
 	zypp::repo::RepoType repotype = ProbeWithCallbacks(probe_url);
 
-	ret = zypp2yastType(repotype.asString());
+	ret = zypp2yastType(repotype);
 	y2milestone("Detected type: '%s'...", ret.c_str());
     }
     catch (const zypp::Exception& excpt)
diff --git a/src/Source_Get.cc b/src/Source_Get.cc
index 217bf92..bcb954a 100644
--- a/src/Source_Get.cc
+++ b/src/Source_Get.cc
@@ -134,7 +134,7 @@ PkgFunctions::SourceGeneralData (const YCPInteger& id)
 	return YCPVoid ();
 
     // convert type to the old strings ("YaST", "YUM" or "Plaindir")
-    std::string srctype = zypp2yastType(repo->repoInfo().type().asString());
+    std::string srctype = zypp2yastType(repo->repoInfo().type());
 
     data->add( YCPString("enabled"),		YCPBoolean(repo->repoInfo().enabled()));
     data->add( YCPString("autorefresh"),	YCPBoolean(repo->repoInfo().autorefresh()));
diff --git a/src/Source_Misc.cc b/src/Source_Misc.cc
index eaf41c2..de8cd6f 100644
--- a/src/Source_Misc.cc
+++ b/src/Source_Misc.cc
@@ -108,34 +108,18 @@ bool PkgFunctions::aliasExists(const std::string &alias, const std::list<zypp::R
 }
 
 // convert libzypp type to yast strings ("YaST", "YUM" or "Plaindir")
-std::string PkgFunctions::zypp2yastType(const std::string &type)
+std::string PkgFunctions::zypp2yastType(const zypp::repo::RepoType &type)
 {
-    std::string ret(type);
-
-    if (type_conversion_table.empty())
+    switch (type.toEnum())
     {
-      // initialize the conversion map
-      type_conversion_table["rpm-md"] = "YUM";
-      type_conversion_table["yast2"] = "YaST";
-      type_conversion_table["plaindir"] = "Plaindir";
-      type_conversion_table["NONE"] = "NONE";
-      // since libzypp-17.31.26
-      type_conversion_table["N/A"] = "NONE";
+      case zypp::repo::RepoType::NONE_e:        return "NONE";
+      case zypp::repo::RepoType::RPMMD_e:       return "YUM";
+      case zypp::repo::RepoType::YAST2_e:       return "YaST";
+      case zypp::repo::RepoType::RPMPLAINDIR_e: return "Plaindir";
     }
 
-    std::map<std::string,std::string>::const_iterator it = type_conversion_table.find(type);
-
-    // found in the conversion table
-    if (it != type_conversion_table.end())
-    {
-	ret = it->second;
-    }
-    else
-    {
-	y2error("Cannot convert type '%s'", type.c_str());
-    }
-
-    return ret;
+    // never reached, unhandled enums are treated as errors via the -Werror option
+    return "";
 }
 
 std::string PkgFunctions::yast2zyppType(const std::string &type)
@@ -161,7 +145,7 @@ std::string PkgFunctions::UniqueAlias(const std::string &alias)
     {
 	y2milestone("Alias %s already found: %lld", ret.c_str(), logFindAlias(ret));
 
-	// the alias already exists - add a counter 
+	// the alias already exists - add a counter
 	std::ostringstream ostr;
 	ostr << alias << "_" << id;