diff --git a/koku/providers/gcp/provider.py b/koku/providers/gcp/provider.py
index cb792c775c..13f4dd8607 100644
--- a/koku/providers/gcp/provider.py
+++ b/koku/providers/gcp/provider.py
@@ -58,8 +58,8 @@ def update_source_data_source(self, data_source):
         source_query = Sources.objects.filter(billing_source__data_source__dataset=data_source.get("dataset"))
         for source in source_query:
             if source.billing_source.get("data_source") != data_source:
-                source.billing_source = {"data_source": data_source}
-                source.save()
+                source_filter = Sources.objects.filter(source_id=source.source_id)
+                source_filter.update(billing_source={"data_source": data_source})
 
             provider_uuid = source.koku_uuid
             provider = Provider.objects.filter(uuid=provider_uuid).first()