diff --git a/src/dark_cuda.c b/src/dark_cuda.c
index 0da67a3c..7606be3c 100644
--- a/src/dark_cuda.c
+++ b/src/dark_cuda.c
@@ -481,7 +481,7 @@ void show_cuda_cudnn_info()
     CHECK_CUDA(cudaRuntimeGetVersion(&cuda_version));
     CHECK_CUDA(cudaDriverGetVersion(&cuda_driver_version));
     fprintf(stderr, " CUDA-version: %d (%d)", cuda_version, cuda_driver_version);
-    if(cuda_version < cuda_driver_version) printf(stderr, "\n Warning: CUDA-version is lower than Driver-version! \n");
+    if(cuda_version < cuda_driver_version) fprintf(stderr, "\n Warning: CUDA-version is lower than Driver-version! \n");
 #ifdef CUDNN
     fprintf(stderr, ", cuDNN: %d.%d.%d", CUDNN_MAJOR, CUDNN_MINOR, CUDNN_PATCHLEVEL);
 #endif  // CUDNN