diff --git a/xmpsdk/src/XMPCore_Impl.hpp b/xmpsdk/src/XMPCore_Impl.hpp
index 691c8d61..7d57de6c 100644
--- a/xmpsdk/src/XMPCore_Impl.hpp
+++ b/xmpsdk/src/XMPCore_Impl.hpp
@@ -30,7 +30,7 @@
 #endif
 
 #if XMP_WinBuild
-#   ifdef _MSV_VER
+#   ifdef _MSC_VER
         #pragma warning ( disable : 4244 )	// possible loss of data (temporary for 64 bit builds)
         #pragma warning ( disable : 4267 )	// possible loss of data (temporary for 64 bit builds)
 #   endif