diff --git a/includes/update.inc b/includes/update.inc
index 698152c812b..f89fea9babb 100644
--- a/includes/update.inc
+++ b/includes/update.inc
@@ -423,7 +423,7 @@ function update_fix_d7_requirements() {
       ),
       'permission' => array(
         'type' => 'varchar',
-        'length' => 64,
+        'length' => 128,
         'not null' => TRUE,
         'default' => '',
       ),
diff --git a/modules/user/user.install b/modules/user/user.install
index 5c8791f8508..a246379eec0 100644
--- a/modules/user/user.install
+++ b/modules/user/user.install
@@ -63,7 +63,7 @@ function user_schema() {
       ),
       'permission' => array(
         'type' => 'varchar',
-        'length' => 64,
+        'length' => 128,
         'not null' => TRUE,
         'default' => '',
         'description' => 'A single permission granted to the role identified by rid.',