diff --git a/var/spack/repos/builtin/packages/branson/package.py b/var/spack/repos/builtin/packages/branson/package.py
index ffa9df0a84dad77a0284278d0052f6fca1f56ed1..a5489668c35e1ba439015e3d7b4ca4fcbe60b8d0 100644
--- a/var/spack/repos/builtin/packages/branson/package.py
+++ b/var/spack/repos/builtin/packages/branson/package.py
@@ -42,6 +42,6 @@ def cmake_args(self):
     def install(self, spec, prefix):
         mkdir(prefix.bin)
         mkdir(prefix.doc)
-        install('../spack-build/BRANSON', prefix.bin)
+        install(join_path(self.build_directory, 'BRANSON'), prefix.bin)
         install('LICENSE.md', prefix.doc)
         install('README.md', prefix.doc)
diff --git a/var/spack/repos/builtin/packages/hacckernels/package.py b/var/spack/repos/builtin/packages/hacckernels/package.py
index b15e2ac9cb4443cdf86a0d34b59491f577357a8d..9322819802cbb99aff1be478823c59cc806a2d6d 100644
--- a/var/spack/repos/builtin/packages/hacckernels/package.py
+++ b/var/spack/repos/builtin/packages/hacckernels/package.py
@@ -23,4 +23,4 @@ class Hacckernels(CMakePackage):
     def install(self, spec, prefix):
         mkdirp(prefix.bin)
         install('README', prefix)
-        install('../spack-build/HACCKernels', prefix.bin)
+        install(join_path(self.build_directory, 'HACCKernels'), prefix.bin)
diff --git a/var/spack/repos/builtin/packages/kripke/package.py b/var/spack/repos/builtin/packages/kripke/package.py
index cd605fda3c095f540f9aa4b18b5c906f6ad31a0d..86a347c66aee39658de52860461c02b9f286f344 100644
--- a/var/spack/repos/builtin/packages/kripke/package.py
+++ b/var/spack/repos/builtin/packages/kripke/package.py
@@ -42,4 +42,4 @@ def install(self, spec, prefix):
         # Kripke does not provide install target, so we have to copy
         # things into place.
         mkdirp(prefix.bin)
-        install('../spack-build/bin/kripke.exe', prefix.bin)
+        install(join_path(self.build_directory, 'bin/kripke.exe'), prefix.bin)