diff --git a/cmake/presets/kokkos-cuda.cmake b/cmake/presets/kokkos-cuda.cmake
index c3ee081898..3205387044 100644
--- a/cmake/presets/kokkos-cuda.cmake
+++ b/cmake/presets/kokkos-cuda.cmake
@@ -9,5 +9,8 @@ set(BUILD_OMP ON CACHE BOOL "" FORCE)
 get_filename_component(NVCC_WRAPPER_CMD ${CMAKE_CURRENT_SOURCE_DIR}/../lib/kokkos/bin/nvcc_wrapper ABSOLUTE)
 set(CMAKE_CXX_COMPILER ${NVCC_WRAPPER_CMD} CACHE FILEPATH "" FORCE)
 
+# If KSPACE is also enabled, use CUFFT for FFTs
+set(FFT_KOKKOS "CUFFT" CACHE STRING FORCE)
+
 # hide deprecation warnings temporarily for stable release
 set(Kokkos_ENABLE_DEPRECATION_WARNINGS OFF CACHE BOOL "" FORCE)
diff --git a/cmake/presets/kokkos-hip.cmake b/cmake/presets/kokkos-hip.cmake
index 827a37152b..ffc259a225 100644
--- a/cmake/presets/kokkos-hip.cmake
+++ b/cmake/presets/kokkos-hip.cmake
@@ -12,6 +12,9 @@ set(BUILD_OMP ON CACHE BOOL "" FORCE)
 set(CMAKE_CXX_COMPILER hipcc CACHE STRING "" FORCE)
 set(CMAKE_TUNE_FLAGS "-munsafe-fp-atomics" CACHE STRING "" FORCE)
 
+# If KSPACE is also enabled, use CUFFT for FFTs
+set(FFT_KOKKOS "HIPFFT" CACHE STRING FORCE)
+
 # hide deprecation warnings temporarily for stable release
 set(Kokkos_ENABLE_DEPRECATION_WARNINGS OFF CACHE BOOL "" FORCE)