diff --git a/BPTCEncoder/src/BC7Compressor.cpp b/BPTCEncoder/src/BC7Compressor.cpp
index 098fc25..cfd7c8b 100755
--- a/BPTCEncoder/src/BC7Compressor.cpp
+++ b/BPTCEncoder/src/BC7Compressor.cpp
@@ -1402,12 +1402,12 @@ namespace BC7C
 		{
 			for(int i = 0; i < width; i += 4)
 			{
-				ExtractBlock(inBuf + i * 4, width, block);
-				CompressBC7Block(block, outBuf);
+			  // ExtractBlock(inBuf + i * 4, width, block);
+			  CompressBC7Block((const uint32 *)inBuf, outBuf);
+			  BC7CompressionMode::NumUses[gBestMode]++;
 
-				BC7CompressionMode::NumUses[gBestMode]++;
-
-				outBuf += 16;
+			  outBuf += 16;
+			  inBuf += 64;
 			}
 		}
 	}
diff --git a/BPTCEncoder/src/BC7CompressorSIMD.cpp b/BPTCEncoder/src/BC7CompressorSIMD.cpp
index ba543d6..f357900 100755
--- a/BPTCEncoder/src/BC7CompressorSIMD.cpp
+++ b/BPTCEncoder/src/BC7CompressorSIMD.cpp
@@ -991,9 +991,10 @@ namespace BC7C
 		{
 			for(int i = 0; i < width; i += 4)
 			{
-				ExtractBlock(inBuf + i * 4, width, block);
-				CompressBC7Block(block, outBuf);
-				outBuf += 16;
+			  CompressBC7Block((const uint32 *)inBuf, outBuf);
+
+			  outBuf += 16;
+			  inBuf += 64;
 			}
 		}
 	}