diff --git a/bauh/gems/flatpak/controller.py b/bauh/gems/flatpak/controller.py
index aa21e06f..d3e21222 100644
--- a/bauh/gems/flatpak/controller.py
+++ b/bauh/gems/flatpak/controller.py
@@ -118,7 +118,7 @@ class FlatpakManager(SoftwareManager):
         commit = commits[commit_idx + 1]
         watcher.change_substatus(self.i18n['flatpak.downgrade.reverting'])
         watcher.change_progress(50)
-        success = ProcessHandler(watcher).handle(SystemProcess(subproc=flatpak.downgrade(pkg.ref, commit, root_password), success_phrases=['Changes complete.', 'Updates complete.']))
+        success = ProcessHandler(watcher).handle(SystemProcess(subproc=flatpak.downgrade(pkg.ref, commit, root_password), success_phrases=['Changes complete.', 'Updates complete.'], wrong_error_phrase='Warning:'))
         watcher.change_progress(100)
         return success