diff --git a/activity.install b/activity.install
index 7984b92..3b44804 100644
--- a/activity.install
+++ b/activity.install
@@ -83,9 +83,18 @@ function activity_schema() {
       'created' => array('created'),
     ),
     'foreign keys' => array(
-      'nid' => array('node' => 'nid'),
-      'actions_id' => array('actions' => 'aid'),
-      'uid' => array('user' => 'uid'),
+      'node' => array(
+        'table' => 'node', 
+        'columns' => array('nid' => 'nid'),
+       ),
+      'actions' => array(
+        'table' => 'actions',
+        'columns' => array('aid' => 'aid'),
+      ),
+      'users' => array(
+        'table' => 'users',
+        'columns' => array('uid' => 'uid')
+      ),
     ),
   );