diff --git a/projects/VC7.1/fgjs.vcproj b/projects/VC7.1/fgjs.vcproj
index 95bff1b6f..2b4462652 100755
--- a/projects/VC7.1/fgjs.vcproj
+++ b/projects/VC7.1/fgjs.vcproj
@@ -25,6 +25,7 @@
 				MinimalRebuild="TRUE"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
+				RuntimeTypeInfo="TRUE"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				Detect64BitPortabilityProblems="TRUE"
@@ -73,6 +74,7 @@
 				AdditionalIncludeDirectories="..\..\src;..\..\..\SimGear;..\..\..;..\..\..\install\msvc71\OpenSceneGraph\include;..\..\..\3rdParty\include"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_WARNINGS"
 				RuntimeLibrary="2"
+				RuntimeTypeInfo="TRUE"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				Detect64BitPortabilityProblems="TRUE"