diff --git a/src/object/cli_mod.c b/src/object/cli_mod.c
index 9ca1cd0aed8..d4066d69b27 100644
--- a/src/object/cli_mod.c
+++ b/src/object/cli_mod.c
@@ -186,7 +186,7 @@ dc_obj_init(void)
 	if (rc != 0)
 		goto out_class;
 
-	obj_coll_thd = OBJ_COLL_THD_MIN;
+	obj_coll_thd = 0; /* Was OBJ_COLL_THD_MIN, restore when leak is fixed */
 	d_getenv_uint("DAOS_OBJ_COLL_THD", &obj_coll_thd);
 	if (obj_coll_thd == 0) {
 		D_INFO("Disable collective operation.\n");