diff --git a/instawow-gui/src/instawow_gui/json_rpc_server.py b/instawow-gui/src/instawow_gui/json_rpc_server.py
index 4eeedef6..a083cf93 100644
--- a/instawow-gui/src/instawow_gui/json_rpc_server.py
+++ b/instawow-gui/src/instawow_gui/json_rpc_server.py
@@ -75,6 +75,7 @@ class _LockOperation(tuple[object, str], enum.Enum):
 _converter.register_structure_hook(datetime, lambda v, _: datetime_fromisoformat(v))
 _converter.register_structure_hook(Strategies, lambda v, _: Strategies(v))
 _converter.register_unstructure_hook(Path, str)
+_converter.register_unstructure_hook(Strategies, Strategies)
 
 
 class _ConfigError(ServerError):