diff --git a/command.py b/command.py
index 96d7848..4398852 100644
--- a/command.py
+++ b/command.py
@@ -136,7 +136,7 @@
 
     groups = mp.config.GetString('manifest.groups')
     if not groups:
-      groups = 'all,-notdefault,platform-' + platform.system().lower()
+      groups = 'default,platform-' + platform.system().lower()
     groups = [x for x in re.split(r'[,\s]+', groups) if x]
 
     if not args: