diff --git a/rhodecode/templates/forks/fork.html b/rhodecode/templates/forks/fork.html
--- a/rhodecode/templates/forks/fork.html
+++ b/rhodecode/templates/forks/fork.html
@@ -91,7 +91,7 @@
                 </div>
              </div>
 	        <div class="buttons">
-	          ${h.submit('',_('fork this repository'),class_="ui-button")}
+	          ${h.submit('',_('fork this repository'),class_="ui-btn large")}
 	        </div>
         </div>
     </div>