diff --git a/pg_variables.c b/pg_variables.c
index 152b5d6..d76e01f 100644
--- a/pg_variables.c
+++ b/pg_variables.c
@@ -2494,7 +2494,7 @@ compatibility_check(void)
 			if (!pg_compatibility_check_no_error())
 				freeStatsLists();
 
-			PG_COMPATIBILITY_CHECK("pg_variables");
+			PG_COMPATIBILITY_CHECK(pg_variables);
 		}
 #		endif /* PG_COMPATIBILITY_CHECK */
 #	endif /* PG_VERSION_NUM */