diff --git a/interop/client/client.go b/interop/client/client.go
index 4f9a0c42..5ee8d522 100644
--- a/interop/client/client.go
+++ b/interop/client/client.go
@@ -266,7 +266,7 @@ func doTimeoutOnSleepingServer(tc testpb.TestServiceClient) {
 	ctx, _ := context.WithTimeout(context.Background(), 1*time.Millisecond)
 	stream, err := tc.FullDuplexCall(ctx)
 	if err != nil {
-		if grpc.Code(err) == codes.DeadlineExceeded) {
+		if grpc.Code(err) == codes.DeadlineExceeded {
 			grpclog.Println("TimeoutOnSleepingServer done")
 			return
 		}