diff --git a/superset/reports/notifications/email.py b/superset/reports/notifications/email.py
index ff3f816ddbf..d8663774ac1 100644
--- a/superset/reports/notifications/email.py
+++ b/superset/reports/notifications/email.py
@@ -76,7 +76,7 @@ class EmailNotification(BaseNotification):  # pylint: disable=too-few-public-met
             """,
             description=self._content.description or "",
             url=self._content.url,
-            img_tag='<img src="cid:{}">'.format(msgid)
+            img_tag='<img width="1000px" src="cid:{}">'.format(msgid)
             if self._content.screenshot
             else "",
         )