diff --git a/src/demo/galaxian.a b/src/demo/galaxian.a
index 6d03d3ee8..0796f602c 100644
--- a/src/demo/galaxian.a
+++ b/src/demo/galaxian.a
@@ -1,5 +1,5 @@
 ;license:MIT
-;(c) 2021-2023 by Frank M., qkumba
+;(c) 2021-2024 by Frank M., qkumba
 
 !cpu 6502
 !to "build/DEMO/GALAXIAN#060320",plain
@@ -20,6 +20,8 @@
          inx
          stx   $847       ; reset vector fix
 
+         stx   $1890      ; sound fix
+
          lda   #$A9
          sta   $1909
          stx   $190A