diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 25fe6c03cde..20ad8e438bd 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -698,7 +698,7 @@ 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 RETURN RETURNING RETURNS REVOKE RIGHT ROLE ROLLBACK ROLLUP
 	ROUTINE ROUTINES ROW ROWS RULE
@@ -14381,7 +14381,7 @@ xmlexists_argument:
 		;
 
 xml_passing_mech:
-			BY REF
+			BY REF_P
 			| BY VALUE_P
 		;
 
@@ -15673,7 +15673,7 @@ unreserved_keyword:
 			| REASSIGN
 			| RECHECK
 			| RECURSIVE
-			| REF
+			| REF_P
 			| REFERENCING
 			| REFRESH
 			| REINDEX
@@ -16255,7 +16255,7 @@ bare_label_keyword:
 			| REASSIGN
 			| RECHECK
 			| RECURSIVE
-			| REF
+			| REF_P
 			| REFERENCES
 			| REFERENCING
 			| REFRESH
diff --git a/src/include/parser/kwlist.h b/src/include/parser/kwlist.h
index f836acf876a..562e9dfc43e 100644
--- a/src/include/parser/kwlist.h
+++ b/src/include/parser/kwlist.h
@@ -336,7 +336,7 @@ PG_KEYWORD("real", REAL, COL_NAME_KEYWORD, BARE_LABEL)
 PG_KEYWORD("reassign", REASSIGN, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("recheck", RECHECK, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("recursive", RECURSIVE, UNRESERVED_KEYWORD, BARE_LABEL)
-PG_KEYWORD("ref", REF, UNRESERVED_KEYWORD, BARE_LABEL)
+PG_KEYWORD("ref", REF_P, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("references", REFERENCES, RESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("referencing", REFERENCING, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("refresh", REFRESH, UNRESERVED_KEYWORD, BARE_LABEL)