diff --git a/scripts/run-config b/scripts/run-config
index f2cb446..8466df3 100755
--- a/scripts/run-config
+++ b/scripts/run-config
@@ -47,7 +47,7 @@ args = parser.parse_args()
 scriptsdir = os.path.dirname(os.path.realpath(__file__))
 os.environ["SCRIPTSDIR"] = scriptsdir
 ourconfig = utils.loadconfig()
-ourconfig["HELPERBUILDDIR"] = builddir
+ourconfig["HELPERBUILDDIR"] = args.builddir
 
 hp = utils.HeaderPrinter()