diff --git a/windows/VC8/mesa/glsl_apps_compile/glsl_apps_compile.vcproj b/windows/VC8/mesa/glsl_apps_compile/glsl_apps_compile.vcproj
index 84e3464834a..8995c03886b 100644
--- a/windows/VC8/mesa/glsl_apps_compile/glsl_apps_compile.vcproj
+++ b/windows/VC8/mesa/glsl_apps_compile/glsl_apps_compile.vcproj
@@ -46,7 +46,7 @@
 				RuntimeLibrary="3"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
-				Detect64BitPortabilityProblems="true"
+				Detect64BitPortabilityProblems="false"
 				DebugInformationFormat="4"
 			/>
 			<Tool
@@ -121,7 +121,7 @@
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
-				Detect64BitPortabilityProblems="true"
+				Detect64BitPortabilityProblems="false"
 				DebugInformationFormat="3"
 			/>
 			<Tool