diff --git a/nova/db/sqlalchemy/utils.py b/nova/db/sqlalchemy/utils.py
index 4dda1d23cf..6e126dd3f5 100644
--- a/nova/db/sqlalchemy/utils.py
+++ b/nova/db/sqlalchemy/utils.py
@@ -273,7 +273,7 @@ def check_shadow_table(migrate_engine, table_name):
     for name, column in shadow_columns.iteritems():
         if name not in columns:
             raise exception.NovaException(
-                _("Extra column %(table)%.%(column)s in shadow table")
+                _("Extra column %(table)s.%(column)s in shadow table")
                         % {'column': name, 'table': shadow_table.name})
     return True