diff --git a/modules/system/system.install b/modules/system/system.install
index 8053a6ea02c0b7360d295f25b86270734f6b702b..d4161822523aa2ed735b9ca125539f22e16173e1 100644
--- a/modules/system/system.install
+++ b/modules/system/system.install
@@ -2681,7 +2681,7 @@ function system_update_6054() {
 /**
  * Improve indexes on the {url_alias} table.
  */
-function system_update_6054() {
+function system_update_6055() {
   $ret = array();
   db_drop_index($ret, 'url_alias', 'src_language');
   db_drop_unique_key($ret, 'url_alias', 'dst_language');