diff --git a/var/spack/repos/builtin/packages/hiop/package.py b/var/spack/repos/builtin/packages/hiop/package.py
index a0c88996f3..ca4d0a67e8 100644
--- a/var/spack/repos/builtin/packages/hiop/package.py
+++ b/var/spack/repos/builtin/packages/hiop/package.py
@@ -174,6 +174,8 @@ def cmake_args(self):
         #     self.define('HIP_CLANG_INCLUDE_PATH',
         #         '/opt/rocm-X.Y.Z/llvm/lib/clang/14.0.0/include/'))
         if '+rocm' in spec:
+            args.append(self.define('CMAKE_CXX_COMPILER', spec['hip'].hipcc))
+
             rocm_arch_list = spec.variants['amdgpu_target'].value
             if rocm_arch_list[0] != 'none':
                 args.append(self.define('GPU_TARGETS', rocm_arch_list))