diff --git a/pym/install/migrate_users.py b/pym/install/migrate_users.py
index d00a5c5..f862eb2 100644
--- a/pym/install/migrate_users.py
+++ b/pym/install/migrate_users.py
@@ -401,11 +401,11 @@ class migrate:
         notWrite = lambda x: not os.access(x, os.W_OK)
         filesNotRead = filter(notRead,checkThisFiles)
         if filesNotRead:
-            raise MigrationError(_("Failed to read files") + ": " +\
+            raise MigrationError(_("Failed to read files") + _(": ") +
                             ", ".join(filesNotRead))
         filesNotWrite = filter(notWrite,checkNewFiles)
         if filesNotWrite:
-            raise MigrationError(_("Failed to write to files") + ": " +\
+            raise MigrationError(_("Failed to write to files") + _(": ") +
                             ", ".join(filesNotWrite))
         # Check permissions backup files
         checkNewBackupFiles = map(lambda x:pathJoin(self.prefixNewSystem,x+"-"),
@@ -415,7 +415,7 @@ class migrate:
                                     not os.access(os.path.dirname(x), os.W_OK))
         filesNotWrite = filter(notWriteBackup, checkNewBackupFiles)
         if filesNotWrite:
-            raise MigrationError(_("Failed to write to files") + ": " +\
+            raise MigrationError(_("Failed to write to files") + _(": ") +
                             ", ".join(filesNotWrite))
         return True