diff --git a/src/engine/platform/pcspkr.cpp b/src/engine/platform/pcspkr.cpp
index d8c34681e..1ff8ae0c8 100644
--- a/src/engine/platform/pcspkr.cpp
+++ b/src/engine/platform/pcspkr.cpp
@@ -310,6 +310,13 @@ void* DivPlatformPCSpeaker::getChanState(int ch) {
 }
 
 unsigned char* DivPlatformPCSpeaker::getRegisterPool() {
+  if (on) {
+    regPool[0]=freq;
+    regPool[1]=freq>>8;
+  } else {
+    regPool[0]=0;
+    regPool[1]=0;
+  }
   return regPool;
 }