@@ -78,11 +78,11 @@
 	[of_stdout dealloc];
 	[of_stderr dealloc];
 
 # ifdef OF_AMIGAOS4
 	if (IDOS != NULL)
-		DropInterface(IDOS);
+		DropInterface((struct Interface *)IDOS);
 
 	if (DOSBase != NULL)
 		CloseLibrary(DOSBase);
 # endif
 }