diff --git a/src/engine/platform/genesis.cpp b/src/engine/platform/genesis.cpp
index 072e8bc0..f33ce4a7 100644
--- a/src/engine/platform/genesis.cpp
+++ b/src/engine/platform/genesis.cpp
@@ -187,7 +187,7 @@ void DivPlatformGenesis::acquire_nuked(short** buf, size_t len) {
             oscBuf[5]->data[oscBuf[5]->needle++]=chan[5].dacOutput<<6;
             oscBuf[6]->data[oscBuf[6]->needle++]=chan[6].dacOutput<<6;
           } else {
-            oscBuf[i]->data[oscBuf[i]->needle++]=fm.dacdata<<6;
+            oscBuf[i]->data[oscBuf[i]->needle++]=(fm.dacdata^0x100)<<6;
             oscBuf[6]->data[oscBuf[6]->needle++]=0;
           }
         } else {