diff --git a/insights/insights/doctype/insights_data_source/sources/query_store.py b/insights/insights/doctype/insights_data_source/sources/query_store.py
index 2507c8643..516cb6241 100644
--- a/insights/insights/doctype/insights_data_source/sources/query_store.py
+++ b/insights/insights/doctype/insights_data_source/sources/query_store.py
@@ -24,7 +24,7 @@ def import_query(self, query):
         if not result:
             return
         columns = [col["label"] for col in result[0]]
-        df = pd.DataFrame(result[1:], columns=columns)
+        df = pd.DataFrame(result[1:], columns=columns, dtype=str)
         df.to_sql(query.name, self.connection, if_exists="replace", index=False)
 
     def sync_tables(self, connection, tables=None, force=False):