diff --git a/CHANGES b/CHANGES
index dd7e546941..1fcbac23dc 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,7 @@
 
-2.2-beta-139 | 2013-10-24 13:06:29 -0700
+2.2-beta-143 | 2013-10-24 14:01:21 -0700
+
+  * Intel framework notes added to NEWS (Seth Hall)
 
   * Temporary OSX Mavericks libc++ issue workaround for getline()
     problem in ASCII reader. (Bernhard Amann)
diff --git a/VERSION b/VERSION
index 1c520a59f9..e4bfeb18bc 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2-beta-139
+2.2-beta-143
diff --git a/src/input/readers/Ascii.cc b/src/input/readers/Ascii.cc
index 476a329554..361ca464aa 100644
--- a/src/input/readers/Ascii.cc
+++ b/src/input/readers/Ascii.cc
@@ -18,10 +18,12 @@
 // workaround.
 
 #ifdef __clang__
-#ifdef __APPLE__
-#  include <Availability.h>
-#  ifdef __MAC_10_9
-#   define MAVERICKS_WORKAROUND
+# ifdef __APPLE__
+#  include <AvailabilityMacros.h>
+#  ifdef __MAC_OS_X_VERSION_MAX_ALLOWED
+#   if __MAC_OS_X_VERSION_MAX_ALLOWED == 1090
+#    define MAVERICKS_WORKAROUND
+#   endif
 #  endif
 # endif
 #endif