diff --git a/cpp/RenderScript.h b/cpp/RenderScript.h
index 9e74922..9a7a565 100644
--- a/cpp/RenderScript.h
+++ b/cpp/RenderScript.h
@@ -20,4 +20,8 @@
 #include "rsDefines.h"
 #include "rsCppStructs.h"
 
+#ifdef RS_SERVER
+#define RS_VERSION 18
+#endif
+
 #endif