diff --git a/src/tests/suite/daos_rebuild_simple.c b/src/tests/suite/daos_rebuild_simple.c
index 72a46a85a94..93313b34582 100644
--- a/src/tests/suite/daos_rebuild_simple.c
+++ b/src/tests/suite/daos_rebuild_simple.c
@@ -1,5 +1,6 @@
 /**
  * (C) Copyright 2016-2023 Intel Corporation.
+ * (C) Copyright 2025 Hewlett Packard Enterprise Development LP
  *
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
@@ -1376,7 +1377,8 @@ rebuild_object_with_csum_error(void **state)
 	int		 rc = 0;
 	int		 i, j;
 	daos_handle_t	 poh = arg->pool.poh;
-	int		 ranks = 3; /* will inject corruption to ranks 0-2 */
+	/* only injection to rank 0, increase to 3 when rebuild could handle checksum error */
+	int              ranks = 1;
 	daos_key_t	 dkey, akey;
 	uint64_t	 dkey_val;
 	char		*akey_val = "0";