diff --git a/api/onnx_web/server/api.py b/api/onnx_web/server/api.py
index d3978ea6..36554ecc 100644
--- a/api/onnx_web/server/api.py
+++ b/api/onnx_web/server/api.py
@@ -111,7 +111,7 @@ def list_models(context: ServerContext):
         {
             "correction": get_correction_models(),
             "diffusion": get_diffusion_models(),
-            "networks": get_network_models(),
+            "networks": [model.tojson() for model in get_network_models()],
             "upscaling": get_upscaling_models(),
         }
     )