diff --git a/src/engine/platform/genesisext.cpp b/src/engine/platform/genesisext.cpp
index b53cd389..2fb1ab39 100644
--- a/src/engine/platform/genesisext.cpp
+++ b/src/engine/platform/genesisext.cpp
@@ -159,6 +159,11 @@ int DivPlatformGenesisExt::dispatch(DivCommand c) {
       opChan[ch].freqChanged=true;
       break;
     }
+    case DIV_CMD_FM_LFO: {
+      lfoValue=(c.value&7)|((c.value>>4)<<3);
+      rWrite(0x22,lfoValue);
+      break;
+    }
     case DIV_CMD_FM_MULT: { // TODO
       unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
       DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
diff --git a/src/engine/platform/ym2610bext.cpp b/src/engine/platform/ym2610bext.cpp
index e8521573..597710ce 100644
--- a/src/engine/platform/ym2610bext.cpp
+++ b/src/engine/platform/ym2610bext.cpp
@@ -147,6 +147,10 @@ int DivPlatformYM2610BExt::dispatch(DivCommand c) {
       opChan[ch].freqChanged=true;
       break;
     }
+    case DIV_CMD_FM_LFO: {
+      rWrite(0x22,(c.value&7)|((c.value>>4)<<3));
+      break;
+    }
     case DIV_CMD_FM_MULT: { // TODO
       unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
       DivInstrument* ins=parent->getIns(opChan[ch].ins);
diff --git a/src/engine/platform/ym2610ext.cpp b/src/engine/platform/ym2610ext.cpp
index 63d584d0..8ef9c16e 100644
--- a/src/engine/platform/ym2610ext.cpp
+++ b/src/engine/platform/ym2610ext.cpp
@@ -147,6 +147,10 @@ int DivPlatformYM2610Ext::dispatch(DivCommand c) {
       opChan[ch].freqChanged=true;
       break;
     }
+    case DIV_CMD_FM_LFO: {
+      rWrite(0x22,(c.value&7)|((c.value>>4)<<3));
+      break;
+    }
     case DIV_CMD_FM_MULT: { // TODO
       unsigned short baseAddr=chanOffs[1]|opOffs[orderedOps[c.value]];
       DivInstrument* ins=parent->getIns(opChan[ch].ins);