diff --git a/src/gui/gui-nicklist.c b/src/gui/gui-nicklist.c
index 170d28b..e09bd01 100644
--- a/src/gui/gui-nicklist.c
+++ b/src/gui/gui-nicklist.c
@@ -374,7 +374,7 @@ gui_nicklist_add_nick (struct t_gui_buffer *buffer,
 {
     struct t_gui_nick *new_nick;
 
-    if (!buffer || !name || gui_nicklist_search_nick (buffer, NULL, name))
+    if (!buffer || !name || gui_nicklist_search_nick (buffer, group, name))
         return NULL;
 
     new_nick = malloc (sizeof (*new_nick));