diff --git a/sp/src/public/tier0/platform.h b/sp/src/public/tier0/platform.h
index 0bfa17156a7..a5accca64f0 100644
--- a/sp/src/public/tier0/platform.h
+++ b/sp/src/public/tier0/platform.h
@@ -1276,14 +1276,19 @@ inline bool Plat_IsInDebugSession( bool bForceRecheck = false ) { return false;
 //-----------------------------------------------------------------------------
 PLATFORM_INTERFACE bool Is64BitOS();
 
-
-#ifdef MAPBASE
 //-----------------------------------------------------------------------------
 // General Mapbase version constants compiled into projects for versioning purposes
 //-----------------------------------------------------------------------------
+#ifdef MAPBASE
 #define MAPBASE_VERSION "8.0"
 #define MAPBASE_VER_INT 8000	// For use in #if in a similar fashion to macros like _MSC_VER
-#endif
+#endif // MAPBASE
+
+#ifdef MAPBASE
+#define	IsMapbase() true
+#else 
+#define	IsMapbase() false
+#endif // MAPBASE
 
 
 //-----------------------------------------------------------------------------