diff --git a/nQuantCpp/GilbertCurve.cpp b/nQuantCpp/GilbertCurve.cpp
index 66114de..7094b3e 100644
--- a/nQuantCpp/GilbertCurve.cpp
+++ b/nQuantCpp/GilbertCurve.cpp
@@ -189,7 +189,7 @@ namespace Peano
 		DITHER_MAX = weight < .01 ? (weight > .0025) ? (BYTE)25 : 16 : 9;
 		auto edge = hasAlpha ? 1 : exp(weight) + .25;
 		ditherMax = (hasAlpha || DITHER_MAX > 9) ? (BYTE)sqr(_sqrt(DITHER_MAX) + edge) : DITHER_MAX;
-		if (pPalette->Count / weight > 5000 && weight > .01 && pPalette->Count >= 64)
+		if (pPalette->Count / weight > 5000 && (weight > .045 || (weight > .01 && pPalette->Count <= 64)))
 			ditherMax = (BYTE)sqr(4.75);
 		thresold = DITHER_MAX > 9 ? -112 : -88;
 		auto pWeights = make_unique<float[]>(DITHER_MAX);