diff --git a/cime_config/machines/cmake_macros/gnugpu_muller-gpu.cmake b/cime_config/machines/cmake_macros/gnugpu_muller-gpu.cmake
index e61e893d001b..a64bc5c400b1 100644
--- a/cime_config/machines/cmake_macros/gnugpu_muller-gpu.cmake
+++ b/cime_config/machines/cmake_macros/gnugpu_muller-gpu.cmake
@@ -6,7 +6,8 @@ if (COMP_NAME STREQUAL gptl)
 endif()
 string(APPEND CPPDEFS " -DTHRUST_IGNORE_CUB_VERSION_CHECK")
 string(APPEND CMAKE_CUDA_FLAGS " -ccbin CC -O2 -arch sm_80 --use_fast_math")
-string(APPEND KOKKOS_OPTIONS " -DKokkos_ARCH_AMPERE80=On -DKokkos_ENABLE_CUDA=On -DKokkos_ENABLE_CUDA_LAMBDA=On -DKokkos_ENABLE_SERIAL=ON -DKokkos_ENABLE_OPENMP=Off")
+string(APPEND KOKKOS_OPTIONS " -DKokkos_ARCH_AMPERE80=On -DKokkos_ENABLE_CUDA=On -DKokkos_ENABLE_CUDA_LAMBDA=On -DKokkos_ENABLE_SERIAL=ON -DKokkos_ENABLE_OPENMP=Off -DKokkos_ENABLE_IMPL_CUDA_MALLOC_ASYNC=OFF")
+set(CMAKE_CUDA_ARCHITECTURES "80")
 string(APPEND CMAKE_C_FLAGS_RELEASE " -O2")
 string(APPEND CMAKE_Fortran_FLAGS_RELEASE " -O2")
 set(MPICC "cc")