1 files changed, 1 insertions, 1 deletions

diff --git a/music_sampler/action.py b/music_sampler/action.py
index ef56b7c..d269d0e 100644
--- a/music_sampler/action.py
+++ b/music_sampler/action.py
@@ -110,4 +110,4 @@ class Action:
             return getattr(actions, self.action)\
                     .description(self, **self.arguments)
         else:
-            return "unknown action {}".format(self.action)
+            return _("unknown action {}").format(self.action)