diff --git a/og.install b/og.install
index 720cd62..2de6c65 100644
--- a/og.install
+++ b/og.install
@@ -96,7 +96,7 @@ function og_schema_info() {
       ),
       'permission' => array(
         'type' => 'varchar',
-        'length' => 64,
+        'length' => 128,
         'not null' => TRUE,
         'default' => '',
         'description' => 'A single permission granted to the role identified by rid.',
@@ -416,7 +416,7 @@ function og_schema_7000_info() {
       ),
       'permission' => array(
         'type' => 'varchar',
-        'length' => 64,
+        'length' => 128,
         'not null' => TRUE,
         'default' => '',
         'description' => 'A single permission granted to the role identified by rid.',
@@ -1002,4 +1002,17 @@ function og_update_7201(&$sandbox) {
     // Finished processing.
     $sandbox['#finished'] = 1;
   }
-}
\ No newline at end of file
+}
+
+/**
+ * Extend the length of permission field in og_role_permission.
+ */
+function og_update_7202() {
+  $schema = og_schema_7000_info();
+  if (db_field_exists('og_role_permission', 'permission')) {
+    db_change_field('og_role_permission', 'permission', 'permission', $schema[
+      'og_role_permission']['fields']['permission']);
+  }
+
+  return t('Updated column definition for {og_role_permission} table.');
+}