diff --git a/p4app/test.py b/p4app/test.py
index 0e59e77..02ee6ec 100644
--- a/p4app/test.py
+++ b/p4app/test.py
@@ -23,7 +23,7 @@ class TestStuff(object):
         translated_ipv4   = nat64_prefix[int(dst_ipv4)]
 
         log.info("Trying to reach {} ({}) from {}".format(dst_ipv4, translated_ipv4, host))
-        cmd = "mx h1 ping -c1 {}".format(translated_ipv4).split(" ")
+        cmd = "mx h1 ping6 -c1 {}".format(translated_ipv4).split(" ")
 
         subprocess.call(cmd)
 
@@ -34,7 +34,8 @@ class TestStuff(object):
         methods = [m for m in methods_dir if re.match("^test", m)]
         methods = [re.sub("^test_(.*)", r"\1", m) for m in methods]
 
-        parser.add_argument('--method', help="which method?", choices=methods, required=True)
+        parser.add_argument('-m',
+                            '--method', help="which method?", choices=methods, required=True)
         parser.add_argument('--debug', help='Enable debug logging', action='store_true')
         parser.add_argument('--verbose', help='Enable verbose logging', action='store_true')
         parser.add_argument('--multicast-to-controller', help='Send debug multicast to controller', action='store_true')