diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 6a0fcdd4c3c..d583154fba0 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -3328,9 +3328,13 @@ dumpBlobs(Archive *fout, void *arg)
 	 * the already-in-memory dumpable objects instead...
 	 */
 	if (fout->remoteVersion >= 90000)
-		blobQry = "DECLARE bloboid CURSOR FOR SELECT oid FROM pg_largeobject_metadata";
+		blobQry =
+			"DECLARE bloboid CURSOR FOR "
+			"SELECT oid FROM pg_largeobject_metadata ORDER BY 1";
 	else
-		blobQry = "DECLARE bloboid CURSOR FOR SELECT DISTINCT loid FROM pg_largeobject";
+		blobQry =
+			"DECLARE bloboid CURSOR FOR "
+			"SELECT DISTINCT loid FROM pg_largeobject ORDER BY 1";
 
 	ExecuteSqlStatement(fout, blobQry);