diff --git a/src/effects/ChangePitch.cpp b/src/effects/ChangePitch.cpp
index 669b4273a..31bd496be 100644
--- a/src/effects/ChangePitch.cpp
+++ b/src/effects/ChangePitch.cpp
@@ -138,6 +138,7 @@ bool EffectChangePitch::SetAutomationParameters(EffectAutomationParameters & par
    ReadAndVerifyDouble(Percentage);
 
    m_dPercentChange = Percentage;
+   Calc_SemitonesChange_fromPercentChange();
 
    return true;
 }