diff --git a/cope2n-api/fwd_api/utils/accuracy.py b/cope2n-api/fwd_api/utils/accuracy.py
index cd460a0..8ad333f 100644
--- a/cope2n-api/fwd_api/utils/accuracy.py
+++ b/cope2n-api/fwd_api/utils/accuracy.py
@@ -214,14 +214,16 @@ class ReportAccumulateByRequest:
         self.data[this_month][0]['num_request'] += 1
         
         for report_file in report_files:
-            if report_file.is_bad_image or report_file.bad_image_reason in settings.ACC_EXCLUDE_RESEASONS:
-                report_file.acc = None
-                for t in report_file.feedback_accuracy.keys():
-                    report_file.feedback_accuracy[t] = []
-                for t in report_file.reviewed_accuracy.keys():
-                    report_file.reviewed_accuracy[t] = []
-            self.data[this_month][0] = self.update_total(self.data[this_month][0], report_file) # Update the subtotal within the month
-            self.data[this_month][1][this_day] = self.update_day(self.data[this_month][1][this_day], report_file) # Update the subtotal of the day
+            _report_file = copy.deepcopy(report_file)
+            if _report_file.is_bad_image or _report_file.bad_image_reason in settings.ACC_EXCLUDE_RESEASONS:
+                _report_file.acc = None
+                for t in _report_file.feedback_accuracy.keys():
+                    _report_file.feedback_accuracy[t] = []
+                for t in _report_file.reviewed_accuracy.keys():
+                    _report_file.reviewed_accuracy[t] = []
+
+            self.data[this_month][0] = self.update_total(self.data[this_month][0], _report_file) # Update the subtotal within the month
+            self.data[this_month][1][this_day] = self.update_day(self.data[this_month][1][this_day], _report_file) # Update the subtotal of the day
 
     def count_transactions_within_day(self, date_string):
         # convert this day into timezone.datetime at UTC
@@ -821,7 +823,6 @@ def calculate_a_request(report, request):
         att["acc"]["feedback"], fb_max_indexes = acc_maximize_list_values(att["acc"]["feedback"])
         att["acc"]["reviewed"], rv_max_indexes = acc_maximize_list_values(att["acc"]["reviewed"])
 
-
         _att = copy.deepcopy(att)
 
         if status != 200: