diff --git a/static/email-templates/default.tpl b/static/email-templates/default.tpl
index ce8baaa1..da80c257 100644
--- a/static/email-templates/default.tpl
+++ b/static/email-templates/default.tpl
@@ -65,6 +65,7 @@
 
             img {
                 max-width: 100%;
+                height: auto;
             }
 
             a {