diff --git a/code/DefaultIOSystem.cpp b/code/DefaultIOSystem.cpp
index 1e7aaf8b9..89d40e2a5 100644
--- a/code/DefaultIOSystem.cpp
+++ b/code/DefaultIOSystem.cpp
@@ -135,7 +135,7 @@ inline void MakeAbsolutePath (const char* in, char* _out)
 {
     ai_assert(in && _out);
     char* ret;
-if defined( _MSC_VER ) || defined( __MINGW32__ )
+#if defined( _MSC_VER ) || defined( __MINGW32__ )
     ret = ::_fullpath( _out, in, PATHLIMIT );
 #else
     // use realpath