diff --git a/pisi/cli/__init__.py b/pisi/cli/__init__.py
index 3ec6856d..b2b3ab88 100644
--- a/pisi/cli/__init__.py
+++ b/pisi/cli/__init__.py
@@ -68,7 +68,7 @@ class CLI(UI):
         # TODO: need to look at more kinds of info messages
         # let's cheat from KDE :)
         if not noln:
-            msg += '\n'
+            msg = '%s\n' % msg
         self.output(unicode(msg), verbose=verbose)
 
     def warning(self, msg, verbose = False):