diff --git a/salt/common/tools/sbin/so-firewall b/salt/common/tools/sbin/so-firewall
index c0acc7c98..7f9acf080 100755
--- a/salt/common/tools/sbin/so-firewall
+++ b/salt/common/tools/sbin/so-firewall
@@ -116,7 +116,7 @@ def addhostgroup(args):
     print('Missing host group name argument', file=sys.stderr)
     showUsage(args)
 
-  name = args[1]
+  name = args[0]
   content = loadYaml(hostgroupsFilename)
   if name in content['firewall']['hostgroups']:
     print('Already exists', file=sys.stderr)