diff --git a/plugins/server/grpc/grpc.go b/plugins/server/grpc/grpc.go
index cad47078..24fdb91a 100644
--- a/plugins/server/grpc/grpc.go
+++ b/plugins/server/grpc/grpc.go
@@ -14,9 +14,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang/protobuf/proto"
-	"github.com/asim/go-micro/v3/cmd"
 	"github.com/asim/go-micro/v3/broker"
+	"github.com/asim/go-micro/v3/cmd"
 	"github.com/asim/go-micro/v3/errors"
 	"github.com/asim/go-micro/v3/logger"
 	meta "github.com/asim/go-micro/v3/metadata"
@@ -26,6 +25,7 @@ import (
 	"github.com/asim/go-micro/v3/util/backoff"
 	mgrpc "github.com/asim/go-micro/v3/util/grpc"
 	mnet "github.com/asim/go-micro/v3/util/net"
+	"github.com/golang/protobuf/proto"
 	"golang.org/x/net/netutil"
 
 	"google.golang.org/grpc"
@@ -405,6 +405,7 @@ func (g *grpcServer) processRequest(stream grpc.ServerStream, service *service,
 				// micro.Error now proto based and we can attach it to grpc status
 				statusCode = microError(verr)
 				statusDesc = verr.Error()
+				verr.Detail = strings.ToValidUTF8(verr.Detail, "")
 				errStatus, err = status.New(statusCode, statusDesc).WithDetails(verr)
 				if err != nil {
 					return err
@@ -477,6 +478,7 @@ func (g *grpcServer) processStream(stream grpc.ServerStream, service *service, m
 			// micro.Error now proto based and we can attach it to grpc status
 			statusCode = microError(verr)
 			statusDesc = verr.Error()
+			verr.Detail = strings.ToValidUTF8(verr.Detail, "")
 			errStatus, err = status.New(statusCode, statusDesc).WithDetails(verr)
 			if err != nil {
 				return err
diff --git a/plugins/server/grpc/grpc_test.go b/plugins/server/grpc/grpc_test.go
index 32d90e59..50fc3e31 100644
--- a/plugins/server/grpc/grpc_test.go
+++ b/plugins/server/grpc/grpc_test.go
@@ -56,7 +56,7 @@ func (s *testServer) CallPcreInvalid(ctx context.Context, req *pb.Request, rsp *
 // TestHello implements helloworld.GreeterServer
 func (s *testServer) Call(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
 	if req.Name == "Error" {
-		return &errors.Error{Id: "1", Code: 99, Detail: "detail"}
+		return &errors.Error{Id: "1", Code: 99, Detail: "detail\xc5"}
 	}
 
 	rsp.Msg = "Hello " + req.Name
@@ -196,7 +196,7 @@ func TestGRPCServer(t *testing.T) {
 		if !ok {
 			t.Fatalf("invalid error received %#+v\n", st.Details()[0])
 		}
-		if verr.Code != 99 && verr.Id != "1" && verr.Detail != "detail" {
+		if verr.Code != 99 || verr.Id != "1" || verr.Detail != "detail" {
 			t.Fatalf("invalid error received %#+v\n", verr)
 		}
 	}