diff --git a/var/spack/repos/builtin/packages/branson/package.py b/var/spack/repos/builtin/packages/branson/package.py
index daee52c9b411ecdecbc67f0b3f6af4a8f16067ef..8c3e028ee1acadd6d33cd87a0af51948fc132dc3 100644
--- a/var/spack/repos/builtin/packages/branson/package.py
+++ b/var/spack/repos/builtin/packages/branson/package.py
@@ -45,6 +45,6 @@ def cmake_args(self):
     def install(self, spec, prefix):
         mkdir(prefix.bin)
         mkdir(prefix.doc)
-        install('spack-build/BRANSON', prefix.bin)
+        install('../spack-build/BRANSON', prefix.bin)
         install('LICENSE.md', prefix.doc)
         install('README.md', prefix.doc)