diff --git a/src/ol/control/fullscreencontrol.js b/src/ol/control/fullscreencontrol.js
index f01402efb2..0d62a4572b 100644
--- a/src/ol/control/fullscreencontrol.js
+++ b/src/ol/control/fullscreencontrol.js
@@ -69,7 +69,7 @@ ol.control.FullScreen = function(opt_options) {
       this.handleFullScreenChange_, false, this);
 
   var cssClasses = this.cssClassName_ + ' ' + ol.css.CLASS_UNSELECTABLE +
-      ' ' + ol.css.CLASS_CONTROL +
+      ' ' + ol.css.CLASS_CONTROL + ' ' +
       (!goog.dom.fullscreen.isSupported() ? ol.css.CLASS_UNSUPPORTED : '');
   var element = goog.dom.createDom(goog.dom.TagName.DIV, cssClasses, button);