diff --git a/main.py b/main.py
index 61ca969..5ab0cb8 100644
--- a/main.py
+++ b/main.py
@@ -225,7 +225,7 @@ async def fastapi_set_junction_y(network: str, junction: str, y: float) -> Chang
     return set_junction(network, ChangeSet(props))
 
 @app.post("/setjunctioncoord/")
-async def fastapi_set_junction_coord(network: str, junction: str, x, float, y: float) -> ChangeSet:
+async def fastapi_set_junction_coord(network: str, junction: str, x: float, y: float) -> ChangeSet:
     props = {}
     props['id'] = junction
     props['x'] = x