diff --git a/pubs/uis.py b/pubs/uis.py
index 1fe8bf0..23bc548 100644
--- a/pubs/uis.py
+++ b/pubs/uis.py
@@ -87,7 +87,7 @@ class PrintUI(object):
         if self.debug:
             raise exc
         else:
-            self.error(str(exc))
+            self.error(ustr(exc))
             self.exit()