diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 9bbf962cd0101b8ed50d25e7bf5fbb032d26892c..28a527357f9e0bd8bec3333fc3867028d00fec22 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -12948,7 +12948,7 @@ dumpConstraint(Archive *fout, ConstraintInfo *coninfo)
 			exit_nicely();
 		}
 
-		if (binary_upgrade && !coninfo->condef)
+		if (binary_upgrade)
 			binary_upgrade_set_pg_class_oids(q, indxinfo->dobj.catId.oid, true);
 
 		appendPQExpBuffer(q, "ALTER TABLE ONLY %s\n",