diff --git a/src/engine/platform/es5506.cpp b/src/engine/platform/es5506.cpp
index a0f98613..22a3d709 100644
--- a/src/engine/platform/es5506.cpp
+++ b/src/engine/platform/es5506.cpp
@@ -272,7 +272,7 @@ void DivPlatformES5506::tick(bool sysTick) {
     if (chan[i].std.pitch.had) {
       if (chan[i].std.pitch.mode) {
         chan[i].pitch2+=chan[i].std.pitch.val;
-        CLAMP_VAL(chan[i].pitch2,-2048,2048);
+        CLAMP_VAR(chan[i].pitch2,-2048,2048);
       } else {
         chan[i].pitch2=chan[i].std.pitch.val;
       }