diff --git a/src/Grid/cuda/map_grid_cuda_ker.cuh b/src/Grid/cuda/map_grid_cuda_ker.cuh
index 65dc3021f420d8b37e90301df9704d8ecc4bdf4b..86e9513e01d4134c4fafe943134c6eeb6f3468fc 100644
--- a/src/Grid/cuda/map_grid_cuda_ker.cuh
+++ b/src/Grid/cuda/map_grid_cuda_ker.cuh
@@ -521,7 +521,7 @@ public:
 	}
 
 	template <unsigned int p>
-	__device__ __host__ inline const auto get(size_t lin_id) const -> decltype(ggk.template get<p>(lin_id))
+	__device__ __host__ inline auto get(size_t lin_id) const -> decltype(ggk.template get<p>(lin_id))
 	{
 		return ggk.template get<p>(lin_id);
 	}