diff --git a/src/shell-contact-system.c b/src/shell-contact-system.c
index 88d329ec3..4f5af7065 100644
--- a/src/shell-contact-system.c
+++ b/src/shell-contact-system.c
@@ -297,7 +297,7 @@ sort_and_prepare_results (GSList *results)
       sorted_results = g_slist_prepend (sorted_results, id);
     }
 
-  g_slist_foreach (results, (GFunc) free_result, NULL);
+  g_slist_free_full (results, (GDestroyNotify) free_result);
 
   return sorted_results;
 }