diff --git a/cmd/polad/main.go b/cmd/polad/main.go
index 37144a1..db33168 100644
--- a/cmd/polad/main.go
+++ b/cmd/polad/main.go
@@ -83,7 +83,7 @@ func main() {
 	o.GrpcAddr = c.Global.GrpcServer.Address
 	o.GrpcPort = c.Global.GrpcServer.Port
 	o.TedEnable = c.Global.Ted.Enable
-	if err := server.NewPce(o, logger, tedElemsChan); err != nil {
-		logger.Panic("Failed to create New Server", zap.Error(err))
+	if serverErr := server.NewPce(o, logger, tedElemsChan); serverErr.Error != nil {
+		logger.Panic("Failed to create New Server", zap.String("server", serverErr.Server), zap.Error(serverErr.Error))
 	}
 }
diff --git a/pkg/server/error.go b/pkg/server/error.go
new file mode 100644
index 0000000..b670d72
--- /dev/null
+++ b/pkg/server/error.go
@@ -0,0 +1,11 @@
+// Copyright (c) 2022 NTT Communications Corporation
+//
+// This software is released under the MIT License.
+// see https://github.com/nttcom/pola/blob/main/LICENSE
+
+package server
+
+type ServerError struct {
+	Error  error
+	Server string
+}
diff --git a/pkg/server/server.go b/pkg/server/server.go
index a41268c..390bd98 100644
--- a/pkg/server/server.go
+++ b/pkg/server/server.go
@@ -41,7 +41,7 @@ type PceOptions struct {
 	TedEnable bool
 }
 
-func NewPce(o *PceOptions, logger *zap.Logger, tedElemsChan chan []table.TedElem) error {
+func NewPce(o *PceOptions, logger *zap.Logger, tedElemsChan chan []table.TedElem) ServerError {
 	var s *Server
 	if o.TedEnable {
 		s = &Server{
@@ -73,11 +73,14 @@ func NewPce(o *PceOptions, logger *zap.Logger, tedElemsChan chan []table.TedElem
 
 	s.logger = logger
 	lspChan := make(chan Lsp)
-	errChan := make(chan error)
+	errChan := make(chan ServerError)
 	// Start PCEP listen
 	go func() {
 		if err := s.Listen(o.PcepAddr, o.PcepPort, lspChan); err != nil {
-			errChan <- err
+			errChan <- ServerError{
+				Server: "pcep",
+				Error:  err,
+			}
 		}
 	}()
 	// Start gRPC listen
@@ -85,7 +88,10 @@ func NewPce(o *PceOptions, logger *zap.Logger, tedElemsChan chan []table.TedElem
 		grpcServer := grpc.NewServer()
 		apiServer := NewAPIServer(s, grpcServer)
 		if err := apiServer.Serve(o.GrpcAddr, o.GrpcPort); err != nil {
-			errChan <- err
+			errChan <- ServerError{
+				Server: "grpc",
+				Error:  err,
+			}
 		}
 	}()
 
@@ -95,8 +101,8 @@ func NewPce(o *PceOptions, logger *zap.Logger, tedElemsChan chan []table.TedElem
 			// Overwrite LSP
 			s.removeLsp(lsp)
 			s.lspList = append(s.lspList, lsp)
-		case err := <-errChan:
-			return err
+		case serverError := <-errChan:
+			return serverError
 		}
 	}
 }