diff --git a/build/cmake-cuda.sh b/build/cmake-cuda.sh
index ef6e7d0cf8..0110075c0d 100755
--- a/build/cmake-cuda.sh
+++ b/build/cmake-cuda.sh
@@ -12,6 +12,7 @@ cmake
 -D CMAKE_CXX_COMPILER=clang++                                                               \
 -D CMAKE_BUILD_TYPE=Release                                                                 \
 -D CMAKE_VERBOSE_MAKEFILE:BOOL=ON                                                           \
+-D DEVICE_BACKEND=CUDA                                                                      \
 -D BOOST_ROOT="/package/install/boost_1.67.0"                                               \
 -D CUDA_COMMON_INCLUDE_DIR="/home/chao/code/test_feature/cuda_common/cuda_10.0_common/inc"  \
 -D CMAKE_CUDA_FLAGS="-ccbin clang++ -m64 -Xcompiler -fopenmp -lineinfo --source-in-ptx -keep -Xptxas -v -arch=sm_61" \