diff --git a/proto/sgx/app.proto b/proto/sgx/app.proto
index f16f0e1..80892dc 100644
--- a/proto/sgx/app.proto
+++ b/proto/sgx/app.proto
@@ -138,7 +138,7 @@ message DaemonMessageApp {
 }
 
 service BrainAppDaemon {
-  rpc RegisterAppNode (RegisterAppNodeReq) returns (stream AppContract);
+  rpc RegisterAppNode (RegisterAppNodeReq) returns (stream DelAppReq);
   rpc BrainMessages (DaemonAuth) returns (stream BrainMessageApp);
   rpc DaemonMessages (stream DaemonMessageApp) returns (common_proto.Empty);
 }
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