--- a/toolkit/mozapps/extensions/internal/XPIProviderUtils.js
+++ b/toolkit/mozapps/extensions/internal/XPIProviderUtils.js
@@ -1477,18 +1477,17 @@ this.XPIDatabase = {
         var fos = FileUtils.openFileOutputStream(addonsListTmp);
         fos.write(text, text.length);
         fos.close();
         addonsListTmp.moveTo(addonsListTmp.parent, FILE_XPI_ADDONS_LIST);
 
         Services.prefs.setCharPref(PREF_EM_ENABLED_ADDONS, enabledAddons.join(","));
       }
       catch (e) {
-        logger.error("Failed to write add-ons list to " + addonsListTmp.parent + "/" +
-              FILE_XPI_ADDONS_LIST, e);
+        logger.error("Failed to write add-ons list to profile directory", e);
         return false;
       }
     }
     else {
       if (addonsList.exists()) {
         logger.debug("Deleting add-ons list");
         try {
           addonsList.remove(false);