diff --git a/var/spack/repos/builtin/packages/busybox/package.py b/var/spack/repos/builtin/packages/busybox/package.py
index 4b74b34611d..a71e28907fa 100644
--- a/var/spack/repos/builtin/packages/busybox/package.py
+++ b/var/spack/repos/builtin/packages/busybox/package.py
@@ -22,8 +22,8 @@ class Busybox(MakefilePackage):
 
     def build(self, spec, prefix):
         make("defconfig")
-        make()
+        make("CC={0}".format(spack_cc))
 
     def install(self, spec, prefix):
-        make("install")
+        make("install", "CC={0}".format(spack_cc))
         install_tree(".", prefix)