diff --git a/tools/packaging/cpt.py b/tools/packaging/cpt.py
index 97e98c68..e5bd61b3 100755
--- a/tools/packaging/cpt.py
+++ b/tools/packaging/cpt.py
@@ -67,7 +67,7 @@ elif OS == 'Linux':
     workdir = os.path.expanduser(os.path.join('~', 'ec', 'build'))
 
 elif OS == 'Darwin':
-    DIST = 'N/A'
+    DIST = 'MacOS'
     RELEASE = platform.release()
     REV = platform.mac_ver()[0]