diff --git a/src/OpenMesh/Core/System/config.h b/src/OpenMesh/Core/System/config.h
index 64888c87..ba4bf966 100644
--- a/src/OpenMesh/Core/System/config.h
+++ b/src/OpenMesh/Core/System/config.h
@@ -77,7 +77,7 @@
 #  endif
 #endif
 
-#if defined(_MSCVER)
+#if defined(_MSC_VER)
 #  define DEPRECATED(msg) __declspec(deprecated(msg))
 #elif defined(__GNUC__)
 #  include <features.h>