diff --git a/bigquery_etl/view/__init__.py b/bigquery_etl/view/__init__.py
index 5d39ddb705e..174ff61e64a 100644
--- a/bigquery_etl/view/__init__.py
+++ b/bigquery_etl/view/__init__.py
@@ -254,6 +254,12 @@ def has_changes(self, target_project=None):
         expected_view_query = CREATE_VIEW_PATTERN.sub(
             "", sqlparse.format(self.content, strip_comments=True), count=1
         ).strip(";" + string.whitespace)
+        
+        if table.view_query is None:
+            # Materialized views do not have view_query.
+            # Always assume they are unchanged since they can't be replaced anyway
+            return False
+        
         actual_view_query = sqlparse.format(
             table.view_query, strip_comments=True
         ).strip(";" + string.whitespace)