diff --git a/var/spack/repos/builtin/packages/llvm/package.py b/var/spack/repos/builtin/packages/llvm/package.py
index 26eb9087add..9879c4ee0bf 100644
--- a/var/spack/repos/builtin/packages/llvm/package.py
+++ b/var/spack/repos/builtin/packages/llvm/package.py
@@ -374,4 +374,4 @@ def install(self, spec, prefix):
             cmake(*cmake_args)
             make()
             make("install")
-            install_tree("bin", prefix.bin)
+            install_tree("bin", join_path(prefix, "libexec", "llvm"))