src/cpp/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cpp/CMakeLists.txt b/src/cpp/CMakeLists.txt
index 8e72409..a4b35b1 100644
--- a/src/cpp/CMakeLists.txt
+++ b/src/cpp/CMakeLists.txt
@@ -15,7 +15,7 @@ endif()
 set_property(TARGET flann_cpp_s PROPERTY COMPILE_DEFINITIONS FLANN_STATIC FLANN_USE_CUDA)
 
 if (BUILD_CUDA_LIB)
-    SET(CUDA_NVCC_FLAGS -DFLANN_USE_CUDA)
+    SET(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS};-DFLANN_USE_CUDA")
     if(CMAKE_COMPILER_IS_GNUCC)
 		set(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS};-Xcompiler;-fPIC;-arch=sm_13" )
         if (NVCC_COMPILER_BINDIR)