diff --git a/src/engine/platform/sound/nes_nsfplay/nes_dmc.cpp b/src/engine/platform/sound/nes_nsfplay/nes_dmc.cpp
index 65742d0e5..a37b544d2 100644
--- a/src/engine/platform/sound/nes_nsfplay/nes_dmc.cpp
+++ b/src/engine/platform/sound/nes_nsfplay/nes_dmc.cpp
@@ -53,7 +53,7 @@ namespace xgm
     option[OPT_NONLINEAR_MIXER] = 1;
     option[OPT_RANDOMIZE_NOISE] = 1;
 	option[OPT_RANDOMIZE_TRI] = 1;
-    option[OPT_TRI_MUTE] = 0;
+    option[OPT_TRI_MUTE] = 1;
     option[OPT_DPCM_REVERSE] = 0;
     tnd_table[0][0][0][0] = 0;
     tnd_table[1][0][0][0] = 0;