diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index f99dd0a..a833dc5 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -2855,7 +2855,7 @@ ProcessInterrupts(void)
 					(errmsg("logical replication launcher shutting down")));
 
 			/* The logical replication launcher can be stopped at any time. */
-			proc_exit(0);
+			proc_exit(1);
 		}
 		else if (RecoveryConflictPending && RecoveryConflictRetryable)
 		{