diff --git a/grpc.go b/grpc.go
index c090065..df1de99 100644
--- a/grpc.go
+++ b/grpc.go
@@ -445,6 +445,10 @@ func (g *grpcClient) Call(ctx context.Context, req client.Request, rsp interface
 		// call backoff first. Someone may want an initial start delay
 		t, err := callOpts.Backoff(ctx, req, i)
 		if err != nil {
+			if verr, ok := err.(*errors.Error); ok {
+				return verr
+			}
+
 			return errors.InternalServerError("go.micro.client", err.Error())
 		}