Index: tagadelic.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/tagadelic/tagadelic.module,v
retrieving revision 1.45
diff -u -r1.45 tagadelic.module
--- tagadelic.module	1 May 2008 13:24:47 -0000	1.45
+++ tagadelic.module	4 Aug 2008 08:39:03 -0000
@@ -206,8 +207,7 @@
  */
 function tagadelic_get_weighted_tags($vids, $steps = 6, $size = 60) {
   // build the options so we can cache multiple versions
-  $options = implode($vids) .'_'. $steps .'_'. $size;
-  
+  $options = implode('_',$vids) .'_'. $steps .'_'. $size;
   // Check if the cache exists
   $cache_name = 'tagadelic_cache_'. $options;
   $cache = cache_get($cache_name);