diff --git a/src/engine/platform/opll.cpp b/src/engine/platform/opll.cpp
index 0136123e3..bd45a6b2e 100644
--- a/src/engine/platform/opll.cpp
+++ b/src/engine/platform/opll.cpp
@@ -248,7 +248,7 @@ void DivPlatformOPLL::tick(bool sysTick) {
       if (chan[i].freq<0) chan[i].freq=0;
       if (chan[i].freq>65535) chan[i].freq=65535;
       int freqt=toFreq(chan[i].freq);
-      if (freqt>2047) freqt=2047;
+      if (freqt>4095) freqt=4095;
       chan[i].freqL=freqt&0xff;
       if (i>=6 && properDrums && (i<9 || !noTopHatFreq)) {
         immWrite(0x10+drumSlot[i],freqt&0xff);