diff --git a/lumber.asm b/lumber.asm
index 71d6c12..8a7b236 100644
--- a/lumber.asm
+++ b/lumber.asm
@@ -41,7 +41,7 @@ display = $a000
     .zpvar LowCharsetBase .byte
     .zpvar displayposition .word
     .zpvar LastKey  .byte   ; $ff if no key pressed or last key released
-    .zpvar RMT_blocked noSfx SFX_EFFECT .byte
+    .zpvar RMT_blocked sfx_effect .byte
     .zpvar AutoPlay .byte   ; Auto Play flag ($80 - auto)
     .zpvar birdsHpos    .byte   ; 0 - no birds on screen (from $13 to $de)
     .zpvar birdsOffset  .byte
@@ -346,8 +346,8 @@ wait_for_timer
     bmi lab2
     asl @                       ; * 2
     tay                         ;Y = 2,4,..,16  instrument number * 2 (0,2,4,..,126)
-    ldx #1                      ;X = 0          channel (0..3 or 0..7 for stereo module)
-    lda #10                      ;A = 0          note (0..60)
+    ldx #0                     ;X = 0          channel (0..3 or 0..7 for stereo module)
+    lda #0                      ;A = 0          note (0..60)
     jsr RASTERMUSICTRACKER+15   ;RMT_SFX start tone (It works only if FEAT_SFX is enabled !!!)
     lda #$ff
     sta sfx_effect              ;reinit value
diff --git a/lumber.xex b/lumber.xex
index 49843ec..1f93c8e 100644
Binary files a/lumber.xex and b/lumber.xex differ