diff --git a/Source/Shifter.h b/Source/Shifter.h
index 8a22aa7..5dcd871 100644
--- a/Source/Shifter.h
+++ b/Source/Shifter.h
@@ -101,7 +101,7 @@ public:
 	}
 	float update(float Pdet, int Ptarget) {
 		// Detect large jump (new note)
-		float diff = Pdet - (int)Pdet;
+		float diff = Pdet - (int)(Pdet+.5);
 
 		if (Ptarget != PtargPrev) {
 			// Immediately reset to new note