diff --git a/gef.py b/gef.py
index f3b9b108e..b2e02dfee 100644
--- a/gef.py
+++ b/gef.py
@@ -491,6 +491,10 @@ def wrapper(*args: Any, **kwargs: Any) -> Callable:
                 elif argtype is bool:
                     parser.add_argument(*argname, action="store_false" if argvalue else "store_true")
                     continue
+                elif argtype in (list, tuple):
+                    parser.add_argument(*argname, type=type(argvalue[0]),
+                                        default=[], action="append")
+                    continue
                 parser.add_argument(*argname, type=argtype, default=argvalue)
 
             parsed_args = parser.parse_args(*(args[1:]))