Index: user_badges.module
===================================================================
--- user_badges.module  (revision 165)
+++ user_badges.module  (working copy)
@@ -608,6 +608,17 @@
         $badges[$badge->bid] = $badge;
       }
     }
+
+    if (is_numeric($uid)) {
+      // Call hook to allow modules to add/remove badges.
+      // Doesn't user module_invoke_all() as argument must be passed by reference.
+      foreach (module_list() as $module) {
+       $function = $module .'_user_badges';
+       if (function_exists($function)) {
+         $function(&$badges, $uid);
+       }
+      }
+    }
   }

   return $badges;