diff --git a/src/objectliterals.jsdoc b/src/objectliterals.jsdoc
index 41930724ac..722358a6ce 100644
--- a/src/objectliterals.jsdoc
+++ b/src/objectliterals.jsdoc
@@ -620,7 +620,7 @@
 
 /**
  * @typedef {Object} ol.style.FillOptions
- * @property {ol.Color|string} color Color.
+ * @property {ol.Color|string|undefined} color Color.
  * @todo stability experimental
  */
 
diff --git a/src/ol/style/fillstyle.js b/src/ol/style/fillstyle.js
index 5c6a040da5..38269f5c3a 100644
--- a/src/ol/style/fillstyle.js
+++ b/src/ol/style/fillstyle.js
@@ -13,7 +13,7 @@ ol.style.Fill = function(options) {
   /**
    * @type {ol.Color|string}
    */
-  this.color = options.color;
+  this.color = goog.isDef(options.color) ? options.color : null;
 };