diff --git a/theme/base/css/display.css b/theme/base/css/display.css
index 03cb4644ee..e87e87fbf8 100644
--- a/theme/base/css/display.css
+++ b/theme/base/css/display.css
@@ -851,6 +851,8 @@ clear:both;
 }
 
 #attachment_view img, #attachment_view .attachment_player {
+height: auto;
+width: auto;
 max-width:480px;
 max-height:480px;
 }