diff --git a/src/engine/platform/opl.cpp b/src/engine/platform/opl.cpp
index e76d033f4..512e857cb 100644
--- a/src/engine/platform/opl.cpp
+++ b/src/engine/platform/opl.cpp
@@ -286,8 +286,8 @@ void DivPlatformOPL::acquire_nuked(short* bufL, short* bufR, size_t start, size_
       adpcmB->output<2>(aOut,0);
 
       if (!isMuted[adpcmChan]) {
-        os[0]+=aOut.data[0];
-        os[1]+=aOut.data[0];
+        os[0]-=aOut.data[0]>>3;
+        os[1]-=aOut.data[0]>>3;
         oscBuf[adpcmChan]->data[oscBuf[adpcmChan]->needle++]+=aOut.data[0];
       } else {
         oscBuf[adpcmChan]->data[oscBuf[adpcmChan]->needle++]=0;