diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 208b4a1f28..32797728d2 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -15817,7 +15817,7 @@ makeOrderedSetArgs(List *directargs, List *orderedargs,
 				   core_yyscan_t yyscanner)
 {
 	FunctionParameter *lastd = (FunctionParameter *) llast(directargs);
-	int			ndirectargs;
+	Value	   *ndirectargs;
 
 	/* No restriction unless last direct arg is VARIADIC */
 	if (lastd->mode == FUNC_PARAM_VARIADIC)
@@ -15841,10 +15841,10 @@ makeOrderedSetArgs(List *directargs, List *orderedargs,
 	}
 
 	/* don't merge into the next line, as list_concat changes directargs */
-	ndirectargs = list_length(directargs);
+	ndirectargs = makeInteger(list_length(directargs));
 
 	return list_make2(list_concat(directargs, orderedargs),
-					  makeInteger(ndirectargs));
+					  ndirectargs);
 }
 
 /* insertSelectOptions()