diff --git a/libcudacxx/include/cuda/stream_ref b/libcudacxx/include/cuda/stream_ref
index a8b044909eb..df22c7adc19 100644
--- a/libcudacxx/include/cuda/stream_ref
+++ b/libcudacxx/include/cuda/stream_ref
@@ -9,7 +9,7 @@
 //===----------------------------------------------------------------------===//
 
 #ifndef _CUDA_STREAM_REF
-#define _CUDA_STREAM_REF
+#  define _CUDA_STREAM_REF
 
 /*
     stream_ref synopsis
@@ -38,22 +38,22 @@ private:
 }  // cuda
 */
 
-#include <cuda_runtime_api.h>
+#  include <cuda_runtime_api.h>
 // cuda_runtime_api needs to come first
 
-#include <cuda/std/detail/__config>
+#  include <cuda/std/detail/__config>
 
-#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
-#  pragma GCC system_header
-#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
-#  pragma clang system_header
-#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
-#  pragma system_header
-#endif // no system header
+#  if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
+#    pragma GCC system_header
+#  elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
+#    pragma clang system_header
+#  elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
+#    pragma system_header
+#  endif // no system header
 
-#include <cuda/std/__cuda/api_wrapper.h>
-#include <cuda/std/__exception/cuda_error.h>
-#include <cuda/std/cstddef>
+#  include <cuda/std/__cuda/api_wrapper.h>
+#  include <cuda/std/__exception/cuda_error.h>
+#  include <cuda/std/cstddef>
 
 _LIBCUDACXX_BEGIN_NAMESPACE_CUDA
 
@@ -164,7 +164,15 @@ public:
         break;
       default:
         ::cudaGetLastError(); // Clear CUDA error state
+#  ifdef _CCCL_HAS_CUDA_COMPILER
         ::cuda::__throw_cuda_error(__result, "Failed to query stream.");
+#  else
+#    ifndef _CCCL_NO_EXCEPTIONS
+        throw ::std::runtime_error("Failed to query stream.");
+#    else
+        ::std::terminate();
+#    else
+#    endif
     }
     return true;
   }
@@ -186,4 +194,4 @@ public:
 
 _LIBCUDACXX_END_NAMESPACE_CUDA
 
-#endif //_CUDA_STREAM_REF
+#  endif //_CUDA_STREAM_REF