diff --git a/src/engine/platform/nes.cpp b/src/engine/platform/nes.cpp
index 82e34df0c..cc22024fa 100644
--- a/src/engine/platform/nes.cpp
+++ b/src/engine/platform/nes.cpp
@@ -201,10 +201,12 @@ int DivPlatformNES::dispatch(DivCommand c) {
         if (!chan[c.chan].std.hasVol) {
           chan[c.chan].outVol=c.value;
         }
-        if (c.chan==2) {
-          rWrite(0x4000+c.chan*4,0xff);
-        } else {
-          rWrite(0x4000+c.chan*4,0x30|chan[c.chan].vol|((chan[c.chan].duty&3)<<6));
+        if (chan[c.chan].active) {
+          if (c.chan==2) {
+            rWrite(0x4000+c.chan*4,0xff);
+          } else {
+            rWrite(0x4000+c.chan*4,0x30|chan[c.chan].vol|((chan[c.chan].duty&3)<<6));
+          }
         }
       }
       break;
diff --git a/src/engine/platform/pce.cpp b/src/engine/platform/pce.cpp
index f5213bf3b..9ab2c10a7 100644
--- a/src/engine/platform/pce.cpp
+++ b/src/engine/platform/pce.cpp
@@ -174,7 +174,7 @@ int DivPlatformPCE::dispatch(DivCommand c) {
         chan[c.chan].vol=c.value;
         if (!chan[c.chan].std.hasVol) {
           chan[c.chan].outVol=c.value;
-          chWrite(c.chan,0x04,0x80|chan[c.chan].outVol);
+          if (chan[c.chan].active) chWrite(c.chan,0x04,0x80|chan[c.chan].outVol);
         }
       }
       break;
diff --git a/src/engine/platform/sms.cpp b/src/engine/platform/sms.cpp
index eff4ef77c..acb87a128 100644
--- a/src/engine/platform/sms.cpp
+++ b/src/engine/platform/sms.cpp
@@ -102,7 +102,7 @@ int DivPlatformSMS::dispatch(DivCommand c) {
         if (!chan[c.chan].std.hasVol) {
           chan[c.chan].outVol=c.value;
         }
-        sn->write(0x90|c.chan<<5|(isMuted[c.chan]?15:(15-(chan[c.chan].vol&15))));
+        if (chan[c.chan].active) sn->write(0x90|c.chan<<5|(isMuted[c.chan]?15:(15-(chan[c.chan].vol&15))));
       }
       break;
     case DIV_CMD_GET_VOLUME:
diff --git a/src/engine/platform/ym2610.cpp b/src/engine/platform/ym2610.cpp
index 63c70659f..b27562134 100644
--- a/src/engine/platform/ym2610.cpp
+++ b/src/engine/platform/ym2610.cpp
@@ -269,7 +269,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
         if (isMuted[c.chan]) {
           rWrite(0x04+c.chan,0);
         } else {
-          rWrite(0x04+c.chan,(chan[c.chan].vol&15)|((chan[c.chan].psgMode&4)<<2));
+          if (chan[c.chan].active) rWrite(0x04+c.chan,(chan[c.chan].vol&15)|((chan[c.chan].psgMode&4)<<2));
         }
         break;
       }