diff --git a/mops/include/mops/opsa.hpp b/mops/include/mops/opsa.hpp
index f4a6f26..2abbad0 100644
--- a/mops/include/mops/opsa.hpp
+++ b/mops/include/mops/opsa.hpp
@@ -60,8 +60,7 @@ void MOPS_EXPORT outer_product_scatter_add(Tensor<scalar_t, 2> output,
                                            Tensor<scalar_t, 2> A,
                                            Tensor<scalar_t, 2> B,
                                            Tensor<int32_t, 1> indices_output);
-}
-}
+} // namespace cuda
 
 namespace cuda {
 /// CUDA version of mops::outer_product_scatter_add