diff --git a/static/email-frame.less b/static/email-frame.less
index 10e439fd8..556724119 100644
--- a/static/email-frame.less
+++ b/static/email-frame.less
@@ -60,7 +60,6 @@
 
   img {
     max-width: 100%;
-    height: auto;
     border: 0;
   }