diff --git a/telegram-base.c b/telegram-base.c
index 1b575f3..1b1d4d2 100644
--- a/telegram-base.c
+++ b/telegram-base.c
@@ -544,8 +544,8 @@ PurpleConversation *chat_show (PurpleConnection *gc, int id) {
   PurpleConversation *convo = purple_find_chat(gc, id);
   if (! convo) {
     gchar *name = g_strdup_printf ("%d", id);
-    if (! g_hash_table_contains (conn->joining_chats, name)) {
-      g_hash_table_insert(conn->joining_chats, name, 0);
+    if (! g_hash_table_lookup (conn->joining_chats, name)) {
+      g_hash_table_insert (conn->joining_chats, name, (void *)1);
       tgl_do_get_chat_info (conn->TLS, TGL_MK_CHAT(id), 0, on_chat_get_info, NULL);
     } else {
       g_free(name);
diff --git a/telegram-purple.c b/telegram-purple.c
index e53a164..2b95215 100755
--- a/telegram-purple.c
+++ b/telegram-purple.c
@@ -96,6 +96,23 @@ static char *format_img_full (int imgstore) {
   return g_strdup_printf ("%s<img id=\"%u\">",br, imgstore);
 }
 
+static char *format_size (gint64 size) {
+   char *sizes[] = {
+     "b",
+     "Kb",
+     "Mb",
+     "Gb",
+     "Pb"
+   };
+   int base = 0;
+   double s = (double) size;
+   while (s > 1024 && base < 4) {
+     s /= 1024;
+     ++ base;
+   }
+  return g_strdup_printf ("%.1f %s, ", s, sizes[base]);
+}
+
 static char *format_service_msg (struct tgl_state *TLS, struct tgl_message *M)
 {
   assert (M && M->service);
@@ -218,7 +235,7 @@ static char *format_print_name (struct tgl_state *TLS, tgl_peer_id_t id, const c
 }
 
 static char *format_document_desc (char *type, char *caption, gint64 size) {
-  char *s = g_format_size (size);
+  char *s = format_size (size);
   char *msg = g_strdup_printf ("[%s] %s %s", type, caption, s);
   g_free (s);
   return msg;
@@ -768,7 +785,7 @@ static void tgprpl_tooltip_text (PurpleBuddy * buddy, PurpleNotifyUserInfo * inf
   
   tgl_peer_id_t *peer = purple_buddy_get_protocol_data(buddy);
   if (!peer) {
-    purple_notify_user_info_add_pair_plaintext(info, "Status", "Offline");
+    purple_notify_user_info_add_pair (info, "Status", "Offline");
     return;
   }
   tgl_peer_t *P = tgl_peer_get (get_conn_from_buddy (buddy)->TLS, *peer);
@@ -776,8 +793,8 @@ static void tgprpl_tooltip_text (PurpleBuddy * buddy, PurpleNotifyUserInfo * inf
     warning ("tgprpl_tooltip_text: warning peer with id %d not found in tree.\n", peer->id);
     return;
   }
-  purple_notify_user_info_add_pair_plaintext (info, "Status", format_status(&P->user.status));
-  purple_notify_user_info_add_pair_plaintext (info, "Last seen: ", format_time(P->user.status.when));
+  purple_notify_user_info_add_pair (info, "Status", format_status(&P->user.status));
+  purple_notify_user_info_add_pair (info, "Last seen: ", format_time(P->user.status.when));
 }
 
 static GList *tgprpl_status_types (PurpleAccount * acct) {
diff --git a/tgp-structs.c b/tgp-structs.c
index 138e777..2588108 100644
--- a/tgp-structs.c
+++ b/tgp-structs.c
@@ -90,6 +90,16 @@ static void used_image_free (gpointer data)
   debug ("used_image: unref %d", id);
 }
 
+static void queue_free_full (GQueue *queue, GDestroyNotify free_func)
+{
+  void *entry;
+  
+  while ((entry = g_queue_pop_head(queue))) {
+    free_func (entry);
+  }
+  g_queue_free (queue);
+}
+
 void used_images_add (connection_data *data, gint imgid)
 {
   data->used_images = g_list_append (data->used_images, GINT_TO_POINTER(imgid));
@@ -104,15 +114,15 @@ connection_data *connection_data_init (struct tgl_state *TLS, PurpleConnection *
   conn->pa = pa;
   conn->new_messages = g_queue_new ();
   conn->pending_reads = g_queue_new ();
-  conn->joining_chats = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+  conn->joining_chats = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
   return conn;
 }
 
 void *connection_data_free (connection_data *conn)
 {
   purple_timeout_remove(conn->timer);
-  g_queue_free_full (conn->pending_reads, pending_reads_free_cb);
-  g_queue_free_full (conn->new_messages, message_text_free);
+  queue_free_full (conn->pending_reads, pending_reads_free_cb);
+  queue_free_full (conn->new_messages, message_text_free);
   g_hash_table_destroy (conn->joining_chats);
   g_list_free_full (conn->used_images, used_image_free);
   tgl_free_all (conn->TLS);