diff --git a/database/mssql/mode/databasessize.pm b/database/mssql/mode/databasessize.pm
index 19b03463a..2d5ca5e4c 100644
--- a/database/mssql/mode/databasessize.pm
+++ b/database/mssql/mode/databasessize.pm
@@ -260,7 +260,7 @@ sub manage_selection {
     }
 
     $options{sql}->query(query => qq{
-        EXEC sp_MSforeachdb 'USE ?
+        EXEC sp_MSforeachdb 'USE [?]
         SELECT
             DB_NAME(),
             [name],