diff --git a/aggregator/cmd/main.go b/aggregator/cmd/main.go
index 1e3cb3c41..2a5c622b1 100644
--- a/aggregator/cmd/main.go
+++ b/aggregator/cmd/main.go
@@ -78,7 +78,6 @@ func aggregatorMain(ctx *cli.Context) error {
 			return err
 		}
 	}
-
 	go rpcServer.Start()
 
 	restServer := restserver.NewRestServer(config.AggregatorRestServerIpPortAddr, agg, logger)
diff --git a/aggregator/rest_server/server.go b/aggregator/rest_server/server.go
index 164cb7169..7a2b9d131 100644
--- a/aggregator/rest_server/server.go
+++ b/aggregator/rest_server/server.go
@@ -101,6 +101,7 @@ func (s *RestServer) handleGetStateRootUpdateAggregation(w http.ResponseWriter,
 	response, err := s.app.GetStateRootUpdateAggregation(uint32(rollupId), blockHeight)
 	if err != nil {
 		http.Error(w, err.Error(), mapErrorToCode(err))
+		return err
 	}
 
 	w.WriteHeader(http.StatusOK)