diff --git a/src/CUDAStream.cu b/src/CUDAStream.cu
index 2805c1e..7f5f25d 100644
--- a/src/CUDAStream.cu
+++ b/src/CUDAStream.cu
@@ -146,7 +146,7 @@ void CUDAStream<T>::listDevices(void)
   // Print device names
   if (count == 0)
   {
-    std::cout << "No devices found." << std::endl;
+    std::cerr << "No devices found." << std::endl;
   }
   else
   {