diff --git a/modules/system/system.base.css b/modules/system/system.base.css
index bf6dd9f71d15..65383dd3486e 100644
--- a/modules/system/system.base.css
+++ b/modules/system/system.base.css
@@ -27,6 +27,7 @@
   color: #000;
   cursor: default;
   white-space: pre;
+  zoom: 1; /* IE7 */
 }
 /* Animated throbber */
 html.js input.form-autocomplete {