diff --git a/src/engine/platform/opl.cpp b/src/engine/platform/opl.cpp
index 51f858519..4e798c6e5 100644
--- a/src/engine/platform/opl.cpp
+++ b/src/engine/platform/opl.cpp
@@ -343,7 +343,7 @@ void DivPlatformOPL::tick(bool sysTick) {
     if (chan[i].std.pitch.had) {
       if (chan[i].std.pitch.mode) {
         chan[i].pitch2+=chan[i].std.pitch.val;
-        CLAMP_VAR(chan[i].pitch2,-32768,32767);
+        CLAMP_VAR(chan[i].pitch2,-131071,131071);
       } else {
         chan[i].pitch2=chan[i].std.pitch.val;
       }
diff --git a/src/engine/platform/opll.cpp b/src/engine/platform/opll.cpp
index 3556679ef..cba125c15 100644
--- a/src/engine/platform/opll.cpp
+++ b/src/engine/platform/opll.cpp
@@ -124,7 +124,7 @@ void DivPlatformOPLL::tick(bool sysTick) {
     if (chan[i].std.pitch.had) {
       if (chan[i].std.pitch.mode) {
         chan[i].pitch2+=chan[i].std.pitch.val;
-        CLAMP_VAR(chan[i].pitch2,-32768,32767);
+        CLAMP_VAR(chan[i].pitch2,-65535,65535);
       } else {
         chan[i].pitch2=chan[i].std.pitch.val;
       }