diff --git a/main.py b/main.py
index 058f302..de41e9f 100644
--- a/main.py
+++ b/main.py
@@ -1434,7 +1434,7 @@ async def fastapi_clean_scada_device(network: str) -> ChangeSet:
 async def fastapi_get_all_scada_device_ids(network: str) -> list[str]:
     return get_all_scada_device_ids(network)
 
-@app.get('/getallscadadevices/')
+@app.get('/getallscadadevices/', response_class = PlainTextResponse))
 async def fastapi_get_all_scada_devices(network: str) -> list[dict[str, Any]]:
     return json.dumps(get_all_scada_devices(network))