diff --git a/src/backend/replication/slotfuncs.c b/src/backend/replication/slotfuncs.c
index 9a2793f7ec3..348c7fe9fce 100644
--- a/src/backend/replication/slotfuncs.c
+++ b/src/backend/replication/slotfuncs.c
@@ -268,7 +268,7 @@ pg_get_replication_slots(PG_FUNCTION_ARGS)
 		else
 			nulls[i++] = true;
 
-		if (restart_lsn != InvalidTransactionId)
+		if (restart_lsn != InvalidXLogRecPtr)
 			values[i++] = LSNGetDatum(restart_lsn);
 		else
 			nulls[i++] = true;