diff --git a/MiSTer.vcxproj b/MiSTer.vcxproj
index 9cff2b6..2543498 100644
--- a/MiSTer.vcxproj
+++ b/MiSTer.vcxproj
@@ -29,7 +29,7 @@
git.lnk ./build.sh
MiSTer
git.lnk ./clean.sh
- __USE_GNU ;_GNU_SOURCE;VDATE="000000";_FILE_OFFSET_BITS=64;_LARGEFILE64_SOURCE;$(NMakePreprocessorDefinitions)
+ __GNUC__;__USE_GNU ;_GNU_SOURCE;VDATE="000000";_FILE_OFFSET_BITS=64;_LARGEFILE64_SOURCE;$(NMakePreprocessorDefinitions)
c:\Work\Git\opt\gcc54\arm-linux-gnueabihf\libc\usr\include;c:\Work\Git\opt\gcc54\lib\gcc\arm-linux-gnueabihf\5.4.1\include;c:\Work\Git\opt\gcc54\arm-linux-gnueabihf\include\c++\5.4.1;$(NMakeIncludeSearchPath);lib\libco
$(TEMP)
$(TEMP)