diff --git a/html/background.html b/html/background.html
index a99e869..29fd089 100644
--- a/html/background.html
+++ b/html/background.html
@@ -15,6 +15,7 @@
 				background.clearCache();
 				chrome.tabs.onUpdated.addListener(background.prepareBrowserAction);
 				background.watchMail();
+				window.setInterval(background.clearCache, settings.cacheTime * 60 * 1000);
 				reddit.getReddits();
 			}