diff --git a/tbl_indexes.php b/tbl_indexes.php
index 2a0ec52c29..ef26fd192e 100644
--- a/tbl_indexes.php
+++ b/tbl_indexes.php
@@ -1,5 +1,5 @@
 <?php
-/* vim: expandtab sw=4 ts=4 sts=4: */
+/* vim: set expandtab sw=4 ts=4 sts=4: */
 /**
  * display information about indexes in a table
  *