Index: /trunk/sites/all/modules/smackdown/smackdown.module
===================================================================
--- /trunk/sites/all/modules/smackdown/smackdown.module (revision 1002)
+++ /trunk/sites/all/modules/smackdown/smackdown.module (revision 1014)
@@ -704,5 +704,5 @@
     // show a random smackdown within the same type
     $nid = array_rand($nids);
-    $smackdown_diff = $nid[0];
+    $smackdown_diff = array($nids[$nid]);
   }
   else {