diff --git a/atom/browser/auto_updater_mac.mm b/atom/browser/auto_updater_mac.mm
index f0a18b56f6f9..42ee8413632e 100644
--- a/atom/browser/auto_updater_mac.mm
+++ b/atom/browser/auto_updater_mac.mm
@@ -94,7 +94,9 @@ void AutoUpdater::CheckForUpdates() {
           delegate->OnUpdateNotAvailable();
         }
       } error:^(NSError *error) {
-        delegate->OnError(base::SysNSStringToUTF8(error.localizedDescription));
+        delegate->OnError(base::SysNSStringToUTF8(
+            [NSString stringWithFormat:@"%@: %@",
+                error.localizedDescription, error.localizedFailureReason]));
       }];
 }