diff --git a/bigquery_magics/bigquery.py b/bigquery_magics/bigquery.py
index e09f7ef..bab533b 100644
--- a/bigquery_magics/bigquery.py
+++ b/bigquery_magics/bigquery.py
@@ -108,7 +108,7 @@
 try:
     from google.cloud import bigquery_storage  # type: ignore
 except ImportError:
-    bigquery_storage = None
+    bigquery_storage = None  # type: ignore
 
 IPYTHON_USER_AGENT = "ipython-{}".format(IPython.__version__)
 context = bigquery_magics.config.context