diff --git a/ChangeLog b/ChangeLog
index bbf073fc6..043712d47 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-05-18  Alexei Podtelezhnikov  <apodtele@gmail.com>
+
+	* include/freetype/internal/ftcalc.h (FT_MSB): Verified `_MSC_VER'.
+
+	Actually `_BitScanReverse' is available since VS2005.
+
 2018-05-18  Werner Lemberg  <wl@gnu.org>
 
 	* include/freetype/internal/ftcalc.h (FT_MSB): Use `_MSC_VER' value.
diff --git a/include/freetype/internal/ftcalc.h b/include/freetype/internal/ftcalc.h
index 2fd2a20c1..8f3e85099 100644
--- a/include/freetype/internal/ftcalc.h
+++ b/include/freetype/internal/ftcalc.h
@@ -356,7 +356,7 @@ FT_BEGIN_HEADER
 #endif /* __GNUC__ */
 
 
-#elif defined( _MSC_VER ) && ( _MSC_VER >= 1800 )
+#elif defined( _MSC_VER ) && ( _MSC_VER >= 1400 )
 
 #if FT_SIZEOF_INT == 4