diff --git a/src/plugin/zilmar/gfx_1.3.h b/src/plugin/zilmar/gfx_1.3.h
index dc6f20f..8677263 100644
--- a/src/plugin/zilmar/gfx_1.3.h
+++ b/src/plugin/zilmar/gfx_1.3.h
@@ -145,6 +145,8 @@ EXPORT void CALL DllTest ( HWND hParent );
 
 EXPORT void CALL ReadScreen(void **dest, long *width, long *height);
 
+EXPORT void CALL DllCrtFree(void* p); // mupen specific
+
 /******************************************************************
   Function: DrawScreen
   Purpose:  This function is called when the emulator receives a