diff --git a/sql/repmgr3.1.1_repmgr3.1.2.sql b/sql/repmgr3.1.1_repmgr3.1.2.sql
index 7dedacc8..36b3dc79 100644
--- a/sql/repmgr3.1.1_repmgr3.1.2.sql
+++ b/sql/repmgr3.1.1_repmgr3.1.2.sql
@@ -27,5 +27,6 @@
 
 BEGIN;
 
-ALTER TABLE repl_nodes ALTER CONSTRAINT repl_nodes_upstream_node_id_fkey DEFERRABLE;
+ALTER TABLE repl_nodes DROP CONSTRAINT repl_nodes_upstream_node_id_fkey,
+      ADD CONSTRAINT repl_nodes_upstream_node_id_fkey FOREIGN KEY (upstream_node_id) REFERENCES repl_nodes(id) DEFERRABLE;
 COMMIT;