diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 6282918691..635d17dcea 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -688,7 +688,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
 
 	QUOTE
 
-	RANGE READ REAL REASSIGN RECHECK RECURSIVE REF REFERENCES REFERENCING
+	RANGE READ REAL REASSIGN RECHECK RECURSIVE REF_P REFERENCES REFERENCING
 	REFRESH REINDEX RELATIVE_P RELEASE RENAME REPEATABLE REPLACE REPLICA
 	RESET RESTART RESTRICT RETURNING RETURNS REVOKE RIGHT ROLE ROLLBACK ROLLUP
 	ROUTINE ROUTINES ROW ROWS RULE
@@ -14251,7 +14251,7 @@ xmlexists_argument:
 		;
 
 xml_passing_mech:
-			BY REF
+			BY REF_P
 			| BY VALUE_P
 		;
 
@@ -15469,7 +15469,7 @@ unreserved_keyword:
 			| REASSIGN
 			| RECHECK
 			| RECURSIVE
-			| REF
+			| REF_P
 			| REFERENCING
 			| REFRESH
 			| REINDEX
diff --git a/src/include/parser/kwlist.h b/src/include/parser/kwlist.h
index 08f22ce211..4121a53ba0 100644
--- a/src/include/parser/kwlist.h
+++ b/src/include/parser/kwlist.h
@@ -330,7 +330,7 @@ PG_KEYWORD("real", REAL, COL_NAME_KEYWORD)
 PG_KEYWORD("reassign", REASSIGN, UNRESERVED_KEYWORD)
 PG_KEYWORD("recheck", RECHECK, UNRESERVED_KEYWORD)
 PG_KEYWORD("recursive", RECURSIVE, UNRESERVED_KEYWORD)
-PG_KEYWORD("ref", REF, UNRESERVED_KEYWORD)
+PG_KEYWORD("ref", REF_P, UNRESERVED_KEYWORD)
 PG_KEYWORD("references", REFERENCES, RESERVED_KEYWORD)
 PG_KEYWORD("referencing", REFERENCING, UNRESERVED_KEYWORD)
 PG_KEYWORD("refresh", REFRESH, UNRESERVED_KEYWORD)