diff --git a/pisi/api.py b/pisi/api.py
index 8491496e..9ef18df6 100644
--- a/pisi/api.py
+++ b/pisi/api.py
@@ -92,9 +92,9 @@ def install(packages):
 
     #FIXME: As Gurer warns, something's fishy with this exception proc.
     except InstallError, e:
-        print type(e)
-        ctx.ui.error(str(e))
-        ctx.ui.error("InstallError:") #%s" % str(e))
+        # FIXME: This is a workaround for __str__ conversion used in
+        # Python exceptions
+        ctx.ui.error(e.args[0])
 
     except packagedb.Error, e:
         ctx.ui.error("PackageDBError: (%s)" % str(e))
diff --git a/pisi/cli/__init__.py b/pisi/cli/__init__.py
index 1c95bf97..61eff490 100644
--- a/pisi/cli/__init__.py
+++ b/pisi/cli/__init__.py
@@ -92,9 +92,9 @@ class CLI(UI):
         while True:
             prompt = msg + colorize(_('(yes/no)'), 'red')
             s = raw_input(prompt.encode('utf-8'))
-            if s.startswith(_('y').encode('utf-8')) or s.startswith(_('Y').encode('utf-8')):
+            if s[0] in locale.nl_langinfo(locale.YESEXPR):
                 return True
-            if s.startswith(_('n').encode('utf-8')) or s.startswith(_('N').encode('utf-8')):
+            elif s[0] in locale.nl_langinfo(locale.NOEXPR):
                 return False
 
     def display_progress(self, pd):