diff --git a/src/engine/platform/segapcm.cpp b/src/engine/platform/segapcm.cpp
index 6a7c14577..4557f85ef 100644
--- a/src/engine/platform/segapcm.cpp
+++ b/src/engine/platform/segapcm.cpp
@@ -292,7 +292,7 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
     case DIV_CMD_NOTE_PORTA: {
       int destFreq=(c.value2<<7);
       int newFreq;
-      int mul=(oldSlides || parent->song.linearPitch!=2)?8:parent->song.pitchSlideSpeed;
+      int mul=(oldSlides || parent->song.linearPitch!=2)?8:1;
       bool return2=false;
       if (destFreq>chan[c.chan].baseFreq) {
         newFreq=chan[c.chan].baseFreq+c.value*mul;