diff --git a/var/spack/packages/parmetis/package.py b/var/spack/packages/parmetis/package.py
index fa1b317eeb..613eabccff 100644
--- a/var/spack/packages/parmetis/package.py
+++ b/var/spack/packages/parmetis/package.py
@@ -93,4 +93,4 @@ def install(self, spec, prefix):
             make("install")
             # Parmetis build system doesn't allow for an external metis to be used, but doesn't copy the required
             # metis header either
-            shutil.copy(metis_header, join_path(self.prefix, 'include'))
+            install(metis_header, self.prefix.include)