diff --git a/moonworm/generators/brownie.py b/moonworm/generators/brownie.py
index b05be9e..f5b80f3 100644
--- a/moonworm/generators/brownie.py
+++ b/moonworm/generators/brownie.py
@@ -831,6 +831,15 @@ def generate_cli_generator(
                         value=cst.parse_expression("eval"),
                     ),
                 )
+            else:
+                # In general case, we just use a Python `eval` to parse the input from the command line.
+                # This is similar to the way we handle `tuple` arguments.
+                call_args.append(
+                    cst.Arg(
+                        keyword=cst.Name(value="type"),
+                        value=cst.parse_expression("eval"),
+                    ),
+                )
 
             add_argument_call = cst.Call(
                 func=cst.Attribute(