diff --git a/README.chromium b/README.chromium
index 3be322e95..221028ba7 100644
--- a/README.chromium
+++ b/README.chromium
@@ -1,6 +1,6 @@
 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1252
+Version: 1253
 License: BSD
 License File: LICENSE
 
diff --git a/include/libyuv/version.h b/include/libyuv/version.h
index 808f39f07..9a23e15c6 100644
--- a/include/libyuv/version.h
+++ b/include/libyuv/version.h
@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1252
+#define LIBYUV_VERSION 1253
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT
diff --git a/source/row_common.cc b/source/row_common.cc
index 61e0e6ca1..778149f58 100644
--- a/source/row_common.cc
+++ b/source/row_common.cc
@@ -988,9 +988,9 @@ static __inline void YuvPixel(uint8 y, uint8 u, uint8 v,
 // C reference code that mimics the YUV assembly.
 static __inline void YPixel(uint8 y, uint8* b, uint8* g, uint8* r) {
   uint32 y1 = (uint32)(y * 0x0101 * YG) >> 16;
-  *b = Clamp((int32)(-YGB + y1) >> 6);
-  *g = Clamp((int32)(-YGB + y1) >> 6);
-  *r = Clamp((int32)(-YGB + y1) >> 6);
+  *b = Clamp((int32)(y1 - YGB) >> 6);
+  *g = Clamp((int32)(y1 - YGB) >> 6);
+  *r = Clamp((int32)(y1 - YGB) >> 6);
 }
 
 #undef YG
diff --git a/unit_test/color_test.cc b/unit_test/color_test.cc
index 8d13ebe5f..96e41bb3a 100644
--- a/unit_test/color_test.cc
+++ b/unit_test/color_test.cc
@@ -21,7 +21,8 @@
 
 namespace libyuv {
 
-#ifdef _MSC_VER
+#if defined (_M_X64) || defined(_M_IX86) || \
+    defined(__x86_64__) || defined(__i386__))
 #define HIGH_ACCURACY 1
 #endif