diff --git a/sf_mrs_connect/models/sync_common.py b/sf_mrs_connect/models/sync_common.py
index 0037ddcc..615c69a0 100644
--- a/sf_mrs_connect/models/sync_common.py
+++ b/sf_mrs_connect/models/sync_common.py
@@ -3013,8 +3013,7 @@ class CuttingToolBasicParameters(models.Model):
                                 })
             if 'basic_parameters_cutter_head' in result['cutting_tool_basic_parameters_yesterday_list']:
                 if result['cutting_tool_basic_parameters_yesterday_list']['basic_parameters_cutter_head']:
-                    basic_parameters_cutter_head_list = json.loads(
-                        result['cutting_tool_basic_parameters_yesterday_list']['basic_parameters_cutter_head'])
+                    basic_parameters_cutter_head_list = result['cutting_tool_basic_parameters_yesterday_list']['basic_parameters_cutter_head']
                     if basic_parameters_cutter_head_list:
                         for cutter_head_item in basic_parameters_cutter_head_list:
                             cutter_head = self.search(