diff --git a/python/jfjoch_grpc2http.py b/python/jfjoch_grpc2http.py
index 1f5ef7c0..d22284f7 100644
--- a/python/jfjoch_grpc2http.py
+++ b/python/jfjoch_grpc2http.py
@@ -95,7 +95,7 @@ async def stop():
 
 
 @app.post("/detector/trigger")
-async def stop():
+async def trigger():
     try:
         stub = jfjoch_pb2_grpc.gRPC_JFJochBrokerStub(channel)
         stub.Trigger(jfjoch_pb2.Empty())
@@ -104,6 +104,16 @@ async def stop():
     return {}
 
 
+@app.post("/detector/cancel")
+async def cancel():
+    try:
+        stub = jfjoch_pb2_grpc.gRPC_JFJochBrokerStub(channel)
+        stub.Cancel(jfjoch_pb2.Empty())
+    except grpc.RpcError as e:
+        raise HTTPException(status_code=400, detail=e.details())
+    return {}
+
+
 @app.get("/detector/status")
 async def get_status():
     try: