diff --git a/src/MAKE/MACHINES/Makefile.frontier_kokkos b/src/MAKE/MACHINES/Makefile.frontier_kokkos
index 86cddd12b7..b58a3d871c 100644
--- a/src/MAKE/MACHINES/Makefile.frontier_kokkos
+++ b/src/MAKE/MACHINES/Makefile.frontier_kokkos
@@ -55,7 +55,7 @@ MPI_LIB = -L${MPICH_DIR}/lib -lmpi -L${CRAY_MPICH_ROOTDIR}/gtl/lib -lmpi_gtl_hsa
 MY_HIP_EXE = $(shell which hipcc)
 MY_HIP_PATH = $(dir ${MY_HIP_EXE})
 
-FFT_INC = -DFFT_HIPFFT
+FFT_INC = -DFFT_KOKKOS_HIPFFT
 FFT_PATH =
 FFT_LIB = -L${MY_HIP_PATH}../lib -lhipfft
 
diff --git a/src/MAKE/MACHINES/Makefile.summit_kokkos b/src/MAKE/MACHINES/Makefile.summit_kokkos
index 557ebd22b2..d554e09a5a 100644
--- a/src/MAKE/MACHINES/Makefile.summit_kokkos
+++ b/src/MAKE/MACHINES/Makefile.summit_kokkos
@@ -57,7 +57,7 @@ MPI_LIB = -L${MY_MPI_PATH}../lib -lmpi_ibm
 # PATH = path for FFT library
 # LIB = name of FFT library
 
-FFT_INC = -DFFT_CUFFT
+FFT_INC = -DFFT_KOKKOS_CUFFT
 FFT_PATH = 
 FFT_LIB = -lcufft