diff --git a/config.py b/config.py
index ef610fb..f5f96f7 100644
--- a/config.py
+++ b/config.py
@@ -8,4 +8,4 @@ def set_args(args, script_name):
     args['emulators'] = ['gem5']
     if script_name == 'build-gem5':
         # This argument is defined only for ./build-gem5.
-        args['extra_scons_args'] = ['ADSF=qwer']
+        args['extra_make_args'] = ['ADSF=qwer']