diff --git a/z80_unpacker/example/example.sna b/z80_unpacker/example/example.sna
index e3e730a..5a56975 100644
Binary files a/z80_unpacker/example/example.sna and b/z80_unpacker/example/example.sna differ
diff --git a/z80_unpacker/unpack.asm b/z80_unpacker/unpack.asm
index b3c48ea..300579d 100644
--- a/z80_unpacker/unpack.asm
+++ b/z80_unpacker/unpack.asm
@@ -301,13 +301,12 @@ decode_number:
   ; BC = probs+context_index-1
   ; A' = upkr_current_byte (!!! init to 0x80 at start, not 0x00)
   ; return length in DE, CF=0
-    ld      de,$7FFF            ; length = 0 with positional-stop-bit
-    jr      .loop_entry
+    ld      de,$FFFF            ; length = 0 with positional-stop-bit
+    or      a                   ; CF=0 to skip getting data bit and use only `rr d : rr e` to fix init DE
 .loop:
-    call    inc_c_decode_bit    ; context_index + 1
+    call    c,inc_c_decode_bit  ; get data bit, context_index + 1 / if CF=0 just add stop bit into DE init
     rr      d
     rr      e                   ; DE = length = (length >> 1) | (bit << 15);
-.loop_entry:
     call    inc_c_decode_bit    ; context_index += 2
     jr      c,.loop
 .fix_bit_pos: