diff --git a/structures.c b/structures.c
index ecfcb1b..3779bf7 100644
--- a/structures.c
+++ b/structures.c
@@ -647,11 +647,13 @@ void tglf_fetch_message_short (struct tgl_message *M) {
     
     int date = fetch_int ();
     //tglu_fetch_seq ();
-    fetch_int ();
+    int seq = fetch_int ();
+    assert (seq == tgl_state.seq + 1);
 
     bl_do_create_message_text (id, from_id, TGL_PEER_USER, to_id, date, 1, l, s);
+    bl_do_msg_seq_update (id);
   } else {
-    fetch_int (); // id
+    int id = fetch_int (); // id
     fetch_int (); // from_id
     int l = prefetch_strlen (); 
     fetch_str (l); // text
@@ -659,7 +661,9 @@ void tglf_fetch_message_short (struct tgl_message *M) {
     tglu_fetch_pts ();
     fetch_int ();
     //tglu_fetch_seq ();
-    fetch_int ();
+    int seq = fetch_int ();
+    assert (seq == tgl_state.seq + 1);
+    bl_do_msg_seq_update (id);
   }
 }
 
@@ -678,10 +682,12 @@ void tglf_fetch_message_short_chat (struct tgl_message *M) {
     int date = fetch_int ();
     //tglu_fetch_seq ();
 
-    fetch_int ();
+    int seq = fetch_int ();
+    assert (seq == tgl_state.seq + 1);
     bl_do_create_message_text (id, from_id, TGL_PEER_CHAT, to_id, date, 1, l, s);
+    bl_do_msg_seq_update (id);
   } else {
-    fetch_int (); // id
+    int id = fetch_int (); // id
     fetch_int (); // from_id
     fetch_int (); // to_id
     int l = prefetch_strlen (); 
@@ -690,7 +696,9 @@ void tglf_fetch_message_short_chat (struct tgl_message *M) {
     tglu_fetch_pts ();
     fetch_int ();
     //tglu_fetch_seq ();
-    fetch_int ();
+    int seq = fetch_int ();
+    assert (seq == tgl_state.seq + 1);
+    bl_do_msg_seq_update (id);
   }
 }
 
diff --git a/updates.c b/updates.c
index 18cd073..684bbbd 100644
--- a/updates.c
+++ b/updates.c
@@ -428,8 +428,10 @@ static int do_skip_seq (int seq) {
       return -1;
     }
     if (tgl_state.locks & TGL_LOCK_DIFF) {
+      vlogprintf (E_DEBUG, "Update during get_difference. seq = %d\n", seq);
       return -1;
     }
+    vlogprintf (E_DEBUG, "Ok update. seq = %d\n", seq);
     return 0;
   } else {
     return -1;