diff --git a/w32/vsnet/FreeSwitchCore.vcproj b/w32/vsnet/FreeSwitchCore.vcproj
index 313d3e44c8..80c97196b1 100644
--- a/w32/vsnet/FreeSwitchCore.vcproj
+++ b/w32/vsnet/FreeSwitchCore.vcproj
@@ -137,7 +137,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\..\src\include;..\..\libs\include;..\..\libs\srtp\include;..\..\libs\srtp\crypto\include;&quot;..\..\libs\libresample-0.1.3\include&quot;"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;FREESWITCHCORE_EXPORTS"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;FREESWITCHCORE_EXPORTS;CRASH_PROT"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="2"
 				PrecompiledHeaderThrough="switch.h"