diff --git a/inventory_turnover_report_analysis/wizard/turnover_report.py b/inventory_turnover_report_analysis/wizard/turnover_report.py
index 10255851c..ced210639 100644
--- a/inventory_turnover_report_analysis/wizard/turnover_report.py
+++ b/inventory_turnover_report_analysis/wizard/turnover_report.py
@@ -338,6 +338,8 @@ class TurnoverReport(models.TransientModel):
                 record_dict[key] = item
         for record in record_dict.values():
             record_date = record['last_count_date']
+            if not record_date:
+                continue
             if ((not self.start_date and not self.end_date) or
                     (self.start_date and self.end_date and
                      self.start_date <= self.end_date and
@@ -345,7 +347,7 @@ class TurnoverReport(models.TransientModel):
                     (self.start_date and not self.end_date and
                      record_date >= self.start_date) or
                     (not self.start_date and self.end_date and
-                     record_date <= self.end_date)):
+                     False <= self.end_date)):
                 if record['id'] in filtered_records:
                     filtered_record = filtered_records[record['id']]
                     filtered_record['opening_stock'] += record['opening_stock']