diff --git a/mozilla/themes/modern/communicator/button.css b/mozilla/themes/modern/communicator/button.css
index fda218466d5..d627cdb448c 100644
--- a/mozilla/themes/modern/communicator/button.css
+++ b/mozilla/themes/modern/communicator/button.css
@@ -10,6 +10,7 @@
       color                 : black;
       padding               : 0px;
       font                  : 3mm arial;
+      max-width             : 10em;
     }
     
   .button-toolbar:hover