diff --git a/enterprise/utils.py b/enterprise/utils.py
index 1b5036e96a..90b14314c2 100644
--- a/enterprise/utils.py
+++ b/enterprise/utils.py
@@ -44,8 +44,8 @@ async def ui_get_spend_by_tags(start_date: str, end_date: str, prisma_client):
     # print("tags - spend")
     # print(response)
     # Bar Chart 1 - Spend per tag - Top 10 tags by spend
-    total_spend_per_tag = collections.defaultdict(float)
-    total_requests_per_tag = collections.defaultdict(int)
+    total_spend_per_tag: collections.defaultdict = collections.defaultdict(float)
+    total_requests_per_tag: collections.defaultdict = collections.defaultdict(int)
     for row in response:
         tag_name = row["individual_request_tag"]
         tag_spend = row["total_spend"]