diff --git a/var/spack/repos/builtin/packages/lua/package.py b/var/spack/repos/builtin/packages/lua/package.py
index 48c1c6a9199..ca0a481a83d 100644
--- a/var/spack/repos/builtin/packages/lua/package.py
+++ b/var/spack/repos/builtin/packages/lua/package.py
@@ -86,7 +86,7 @@ def append_paths(self, paths, cpaths, path):
 
     def setup_dependent_environment(self, spack_env, run_env, extension_spec):
         lua_paths = []
-        for d in extension_spec.traverse():
+        for d in extension_spec.traverse(deptypes=nolink, deptype_query='run'):
             if d.package.extends(self.spec):
                 lua_paths.append(os.path.join(d.prefix, self.lua_lib_dir))
                 lua_paths.append(os.path.join(d.prefix, self.lua_share_dir))