diff --git a/UnitTest/UnitTest.vcxproj b/UnitTest/UnitTest.vcxproj
index 386b6ec31..6a91f1c48 100644
--- a/UnitTest/UnitTest.vcxproj
+++ b/UnitTest/UnitTest.vcxproj
@@ -71,6 +71,8 @@
stdc11
true
true
+ Guard
+ ProgramDatabase
Windows
@@ -96,6 +98,7 @@
stdcpp17
stdc11
true
+ Guard
Windows
diff --git a/modules/c/nitf-c.vcxproj b/modules/c/nitf-c.vcxproj
index eb575fba2..761128988 100644
--- a/modules/c/nitf-c.vcxproj
+++ b/modules/c/nitf-c.vcxproj
@@ -65,7 +65,7 @@
true
AdvancedVectorExtensions2
CompileAsCpp
- false
+ Sync
MultiThreadedDebugDLL
true
stdcpp17
@@ -97,7 +97,7 @@
Level3
AdvancedVectorExtensions2
CompileAsCpp
- false
+ Sync
true
stdcpp17
stdc11