diff --git a/var/spack/repos/builtin/packages/llvm-amdgpu/package.py b/var/spack/repos/builtin/packages/llvm-amdgpu/package.py
index 13440ff0dd3..ce74666fe5d 100644
--- a/var/spack/repos/builtin/packages/llvm-amdgpu/package.py
+++ b/var/spack/repos/builtin/packages/llvm-amdgpu/package.py
@@ -202,4 +202,4 @@ def post_install(self):
                 ]
                 cmake_args.extend(self.cmake_args())
                 cmake(*cmake_args)
-                make()
+                cmake("--build", ".")