diff --git a/src/fuzzfetch/args.py b/src/fuzzfetch/args.py
index 777801cf..1d755253 100644
--- a/src/fuzzfetch/args.py
+++ b/src/fuzzfetch/args.py
@@ -57,6 +57,7 @@ def __init__(self) -> None:
                 "mozharness",
                 "searchfox",
                 "thunderbird",
+                "xpcshell",
             ),
             help="Specify the build artifacts to download. "
             f"(default: {' '.join(FetcherArgs.DEFAULT_TARGETS)})",