diff --git a/src/cudafeat/feature-online-batched-cmvn-cuda-kernels.cu b/src/cudafeat/feature-online-batched-cmvn-cuda-kernels.cu
index c839548d6eb..29f41bc557c 100644
--- a/src/cudafeat/feature-online-batched-cmvn-cuda-kernels.cu
+++ b/src/cudafeat/feature-online-batched-cmvn-cuda-kernels.cu
@@ -31,10 +31,12 @@ __host__ __device__ inline float2 operator+(const float2 &a, const float2 &b) {
   return retval;
 }
 
+#if __CUDA_API_VER_MAJOR__ < 12
 __device__ inline void atomicAdd(float2 *addr, float2 val) {
   atomicAdd(reinterpret_cast<float *>(addr), val.x);
   atomicAdd(reinterpret_cast<float *>(addr) + 1, val.y);
 }
+#endif
 
 __device__ inline void operator+=(float2 &a, float2 &b) {
   // overloading +=