diff --git a/configs/common/cpu2000.py b/configs/common/cpu2000.py
index 59799eb49..18f6aedea 100644
--- a/configs/common/cpu2000.py
+++ b/configs/common/cpu2000.py
@@ -518,6 +518,7 @@ class mcf(MinneDefaultBenchmark):
     name = 'mcf'
     number = 181
     lang = 'C'
+    args = [ 'mcf.in' ]
 
 class parser(MinneDefaultBenchmark):
     name = 'parser'