--- a/browser/components/preferences/in-content/advanced.js
+++ b/browser/components/preferences/in-content/advanced.js
@@ -57,29 +57,29 @@ var gAdvancedPane = {
     setEventListener("connectionSettings", "command",
                      gAdvancedPane.showConnections);
     setEventListener("clearCacheButton", "command",
                      gAdvancedPane.clearCache);
     setEventListener("clearOfflineAppCacheButton", "command",
                      gAdvancedPane.clearOfflineAppCache);
     setEventListener("offlineNotifyExceptions", "command",
                      gAdvancedPane.showOfflineExceptions);
-    setEventListener("offlineNotifyExceptions", "command", function (event) {
-      gAdvancedPane.offlineAppSelected(event); })
+    setEventListener("offlineAppsList", "select",
+                     gAdvancedPane.offlineAppSelected);
     let bundlePrefs = document.getElementById("bundlePreferences");
     document.getElementById("offlineAppsList")
             .style.height = bundlePrefs.getString("offlineAppsList.height");
     setEventListener("offlineAppsListRemove", "command",
                      gAdvancedPane.removeOfflineApp);
 #ifdef MOZ_UPDATER
     setEventListener("updateRadioGroup", "command",
                      gAdvancedPane.updateWritePrefs);
-#endif
     setEventListener("showUpdateHistory", "command",
                      gAdvancedPane.showUpdates);
+#endif
     setEventListener("viewCertificatesButton", "command",
                      gAdvancedPane.showCertificates);
     setEventListener("viewSecurityDevicesButton", "command",
                      gAdvancedPane.showSecurityDevices);
   },
 
   /**
    * Stores the identity of the current tab in preferences so that the selected