diff --git a/js/ui/background.js b/js/ui/background.js
index 9ca9312ec..781f20240 100644
--- a/js/ui/background.js
+++ b/js/ui/background.js
@@ -300,6 +300,8 @@ const Background = new Lang.Class({
         let signalId = this._cache.connect('file-changed',
                                            Lang.bind(this, function(cache, changedFile) {
                                                if (changedFile == filename) {
+                                                   let imageCache = Meta.BackgroundImageCache.get_default();
+                                                   imageCache.purge(changedFile);
                                                    this.emit('changed');
                                                }
                                            }));