diff --git a/createhdds.py b/createhdds.py
index 626d9a5..5c85ddb 100755
--- a/createhdds.py
+++ b/createhdds.py
@@ -802,7 +802,7 @@ def parse_args(hdds):
             "this nor --release is set, createhdds will decide the appropriate "
             "arch(es) to build for each release. If this is not set but --release "
             "is set, only x86_64 image(s) will be built.",
-            choices=('x86_64', 'i686', 'ppc64le', 'ppc64'))
+            choices=('x86_64', 'i686', 'ppc64le', 'aarch64'))
         imgparser.set_defaults(func=cli_image)
         # Here we're stuffing the type of the image and the dict from
         # hdds into args for cli_image() to use.