diff --git a/var/spack/repos/builtin/packages/kokkos-nvcc-wrapper/package.py b/var/spack/repos/builtin/packages/kokkos-nvcc-wrapper/package.py
index 869fd41dc96..bdba998849e 100644
--- a/var/spack/repos/builtin/packages/kokkos-nvcc-wrapper/package.py
+++ b/var/spack/repos/builtin/packages/kokkos-nvcc-wrapper/package.py
@@ -42,6 +42,7 @@ def setup_dependent_build_environment(self, env, dependent_spec):
         env.set('KOKKOS_CXX', self.compiler.cxx)
         env.set('MPICH_CXX', wrapper)
         env.set('OMPI_CXX', wrapper)
+        env.set('MPICXX_CXX', wrapper) # HPE MPT
 
     def setup_dependent_package(self, module, dependent_spec):
         wrapper = join_path(self.prefix.bin, "nvcc_wrapper")