diff --git a/koku/api/ingress/reports/serializers.py b/koku/api/ingress/reports/serializers.py
index 69e3c68796..83e047dbd8 100644
--- a/koku/api/ingress/reports/serializers.py
+++ b/koku/api/ingress/reports/serializers.py
@@ -60,7 +60,7 @@ def validate(self, data):
         ]
         year_message = year_range[0]
         if dh.bill_year_from_date(dh.this_month_start) not in year_range:
-            year_range.append(dh.bill_year_from_date(dh.last_month_start))
+            year_range.append(dh.bill_year_from_date(dh.this_month_start))
             year_message = f"{year_range[0]} or {year_range[1]}"
         if bill_month in month_range and bill_year in year_range:
             interface = ProviderAccessor(source.type)