diff --git a/src/ol/style/iconimagecache.js b/src/ol/style/iconimagecache.js
index 0b6aa29288..2691903199 100644
--- a/src/ol/style/iconimagecache.js
+++ b/src/ol/style/iconimagecache.js
@@ -1,5 +1,6 @@
 goog.provide('ol.style.IconImageCache');
 
+goog.require('ol');
 goog.require('ol.color');