diff --git a/fft/src/KokkosFFT_Cuda_types.hpp b/fft/src/KokkosFFT_Cuda_types.hpp
index df8c7249..f5a1fe62 100644
--- a/fft/src/KokkosFFT_Cuda_types.hpp
+++ b/fft/src/KokkosFFT_Cuda_types.hpp
@@ -67,7 +67,7 @@ struct ScopedCufftPlan {
   ScopedCufftPlan(ScopedCufftPlan &&)                 = delete;
 
   cufftHandle plan() const noexcept { return m_plan; }
-  void commit(const Kokkos::Cuda &exec_space) {
+  void commit(const Kokkos::Cuda &exec_space) const {
     cufftResult cufft_rt = cufftSetStream(m_plan, exec_space.cuda_stream());
     KOKKOSFFT_THROW_IF(cufft_rt != CUFFT_SUCCESS, "cufftSetStream failed");
   }
diff --git a/fft/src/KokkosFFT_HIP_types.hpp b/fft/src/KokkosFFT_HIP_types.hpp
index 85bc74d7..4be4d397 100644
--- a/fft/src/KokkosFFT_HIP_types.hpp
+++ b/fft/src/KokkosFFT_HIP_types.hpp
@@ -67,7 +67,7 @@ struct ScopedHIPfftPlan {
   ScopedHIPfftPlan(ScopedHIPfftPlan &&)                 = delete;
 
   hipfftHandle plan() const noexcept { return m_plan; }
-  void commit(const Kokkos::HIP &exec_space) {
+  void commit(const Kokkos::HIP &exec_space) const {
     hipfftResult hipfft_rt = hipfftSetStream(m_plan, exec_space.hip_stream());
     KOKKOSFFT_THROW_IF(hipfft_rt != HIPFFT_SUCCESS, "hipfftSetStream failed");
   }