diff --git a/NEWS b/NEWS
index bbff87f6..90335003 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,7 @@
 v1.0.1
+New : contrib/pzstd, parallel version of zstd, by Nick Terrell 
 Fixed : CLI -d output to stdout by default when input is stdin (#322)
+Fixed : CLI correctly detects console on Mac OS-X
 
 v1.0.0
 Change Licensing, all project is now BSD, Copyright Facebook
diff --git a/programs/zstdcli.c b/programs/zstdcli.c
index 57a271ab..e829c93d 100644
--- a/programs/zstdcli.c
+++ b/programs/zstdcli.c
@@ -52,7 +52,7 @@
 #  include <io.h>       /* _isatty */
 #  define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream))
 #else
-#  if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || defined(_POSIX_SOURCE)
+#  if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || defined(_POSIX_SOURCE) || (defined(__APPLE__) && defined(__MACH__))  /* https://sourceforge.net/p/predef/wiki/OperatingSystems/ */
 #    include <unistd.h>   /* isatty */
 #    define IS_CONSOLE(stdStream) isatty(fileno(stdStream))
 #  else