diff --git a/src/objectliterals.jsdoc b/src/objectliterals.jsdoc
index 4b0b332387..91868cd9a4 100644
--- a/src/objectliterals.jsdoc
+++ b/src/objectliterals.jsdoc
@@ -137,6 +137,7 @@
 
 /**
  * @typedef {Object} ol.control.MousePositionOptions
+ * @property {string|undefined} className Class name.
  * @property {ol.CoordinateFormatType|undefined} coordinateFormat Coordinate
  *     format.
  * @property {ol.Map|undefined} map Map.
diff --git a/src/ol/control/mousepositioncontrol.js b/src/ol/control/mousepositioncontrol.js
index b4ce9361b9..3e77966ebe 100644
--- a/src/ol/control/mousepositioncontrol.js
+++ b/src/ol/control/mousepositioncontrol.js
@@ -27,8 +27,11 @@ ol.control.MousePosition = function(opt_options) {
 
   var options = goog.isDef(opt_options) ? opt_options : {};
 
+  var className = goog.isDef(options.className) ?
+      options.className : 'ol-mouseposition';
+
   var element = goog.dom.createDom(goog.dom.TagName.DIV, {
-    'class': 'ol-mouseposition'
+    'class': className
   });
 
   goog.base(this, {