diff --git a/main.py b/main.py
index 4878554..376933b 100644
--- a/main.py
+++ b/main.py
@@ -689,12 +689,12 @@ async def fast_get_valve_schema(network: str) -> dict[str, dict[str, Any]]:
     return get_valve_schema(network)
 
 @app.post("/addvalve/")
-async def fastapi_add_valve(network: str, valve: str, node1: str, node2: str, diameter: float = 0, type: str = VALVES_TYPE_PRV, setting: float = 0, minor_loss: float = 0) -> ChangeSet:
+async def fastapi_add_valve(network: str, valve: str, node1: str, node2: str, diameter: float = 0, v_type: str = VALVES_TYPE_PRV, setting: float = 0, minor_loss: float = 0) -> ChangeSet:
     ps = { 'id' : valve,
            'node1' : node1,
            'node2' : node2,
            'diameter' : diameter,
-           'type' : type,
+           'v_type' : type,
            'setting' : setting,
            'minor_loss' : minor_loss }