diff --git a/aerospike_helpers/operations/list_operations.py b/aerospike_helpers/operations/list_operations.py
old mode 100755
new mode 100644
index 238929bd4a..c39a7cc5b2
--- a/aerospike_helpers/operations/list_operations.py
+++ b/aerospike_helpers/operations/list_operations.py
@@ -31,6 +31,8 @@
 import aerospike
 from typing import Optional
 
+_OP_LIST_REMOVE_BY_VALUE_LIST = aerospike.OP_LIST_REMOVE_BY_VALUE_LIST
+
 
 OP_KEY = "op"
 BIN_KEY = "bin"
@@ -924,7 +926,7 @@ def list_remove_by_value_list(bin_name: str, value_list, return_type, inverted=F
         format of the dictionary should be considered an internal detail, and subject to change.
     """
     op_dict = {
-        OP_KEY: aerospike.OP_LIST_REMOVE_BY_VALUE_LIST,
+        OP_KEY: _OP_LIST_REMOVE_BY_VALUE_LIST,
         BIN_KEY: bin_name,
         RETURN_TYPE_KEY: return_type,
         VALUE_LIST_KEY: value_list,