diff --git a/trunk/src/nvtt/QuickCompressDXT.cpp b/trunk/src/nvtt/QuickCompressDXT.cpp
index e52ecfa..78ee6b8 100644
--- a/trunk/src/nvtt/QuickCompressDXT.cpp
+++ b/trunk/src/nvtt/QuickCompressDXT.cpp
@@ -353,10 +353,10 @@ static void optimizeAlpha8(const ColorBlock & rgba, AlphaBlockDXT5 * block)
 void QuickCompress::compressDXT1(Color32 c, BlockDXT1 * dxtBlock)
 {
 	dxtBlock->col0.r = OMatch5[c.r][0];
-	dxtBlock->col0.g = OMatch5[c.g][0];
+	dxtBlock->col0.g = OMatch6[c.g][0];
 	dxtBlock->col0.b = OMatch5[c.b][0];
 	dxtBlock->col1.r = OMatch5[c.r][1];
-	dxtBlock->col1.g = OMatch5[c.g][1];
+	dxtBlock->col1.g = OMatch6[c.g][1];
 	dxtBlock->col1.b = OMatch5[c.b][1];
 	dxtBlock->indices = 0xaaaaaaaa;
 }