diff --git a/deltachat-rpc-client/src/deltachat_rpc_client/_utils.py b/deltachat-rpc-client/src/deltachat_rpc_client/_utils.py
index 57e50da1e..2e116963e 100644
--- a/deltachat-rpc-client/src/deltachat_rpc_client/_utils.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/_utils.py
@@ -93,10 +93,10 @@ def _run_cli(
     parser.add_argument("--email", action="store", help="email address", default=os.getenv("DELTACHAT_EMAIL"))
     parser.add_argument("--password", action="store", help="password", default=os.getenv("DELTACHAT_PASSWORD"))
     parser.add_argument(
-        "--displayname", action="store", help="the profile's display name", default=os.getenv("DELTACHAT_DISPLAYNAME")
+        "--displayname", action="store", help="the profile's display name", default=os.getenv("DELTACHAT_DISPLAYNAME"),
     )
     parser.add_argument(
-        "--avatar", action="store", help="filename of the profile's avatar", default=os.getenv("DELTACHAT_AVATAR")
+        "--avatar", action="store", help="filename of the profile's avatar", default=os.getenv("DELTACHAT_AVATAR"),
     )
     args = parser.parse_args(argv[1:])