diff --git a/Themes/_fallback/metrics.ini b/Themes/_fallback/metrics.ini
index 50fb0692cb..43a9390337 100644
--- a/Themes/_fallback/metrics.ini
+++ b/Themes/_fallback/metrics.ini
@@ -135,6 +135,7 @@ BrakeModMinClamp=-400
 BrakeModMaxClamp=400
 WaveModMagnitude=20
 WaveModHeight=38
+BoomerangPeakPercentage=0.75
 QuantizeArrowYPosition=false
 
 [Background]
diff --git a/src/ArrowEffects.cpp b/src/ArrowEffects.cpp
index 35cbef5ea4..343f58a73b 100644
--- a/src/ArrowEffects.cpp
+++ b/src/ArrowEffects.cpp
@@ -23,6 +23,7 @@ static ThemeMetric<float>	BRAKE_MOD_MIN_CLAMP( "ArrowEffects", "BrakeModMinClamp
 static ThemeMetric<float>	BRAKE_MOD_MAX_CLAMP( "ArrowEffects", "BrakeModMaxClamp" );
 static ThemeMetric<float>	WAVE_MOD_MAGNITUDE( "ArrowEffects", "WaveModMagnitude" );
 static ThemeMetric<float>	WAVE_MOD_HEIGHT( "ArrowEffects", "WaveModHeight" );
+static ThemeMetric<float>	BOOMERANG_PEAK_PERCENTAGE( "ArrowEffects", "BoomerangPeakPercentage" );
 static ThemeMetric<bool>	QUANTIZE_ARROW_Y( "ArrowEffects", "QuantizeArrowYPosition");
 
 static float GetNoteFieldHeight( const PlayerState* pPlayerState )
@@ -242,7 +243,7 @@ float ArrowEffects::GetYOffset( const PlayerState* pPlayerState, int iCol, float
 	// Factor in boomerang
 	if( fAccels[PlayerOptions::ACCEL_BOOMERANG] != 0 )
 	{
-		float fPeakAtYOffset = SCREEN_HEIGHT * 0.75f;	// zero point of boomerang function
+		float fPeakAtYOffset = SCREEN_HEIGHT * BOOMERANG_PEAK_PERCENTAGE;	// zero point of boomerang function
 		fPeakYOffsetOut = (-1*fPeakAtYOffset*fPeakAtYOffset/SCREEN_HEIGHT) + 1.5f*fPeakAtYOffset;
 		bIsPastPeakOut = fYOffset < fPeakAtYOffset;