diff --git a/libsrc/atari/sound.s b/libsrc/atari/sound.s
index 756d0e02d..880af3ee7 100644
--- a/libsrc/atari/sound.s
+++ b/libsrc/atari/sound.s
@@ -34,6 +34,6 @@
         rts
 .endproc
                         ;reserve 2 bytes for temp storage
-           .bss
+        .bss
 STORE1: .res    1
 STORE2: .res    1