diff --git a/tests/long/20.parser/test.py b/tests/long/20.parser/test.py
index 82ab71c90..8e745ec26 100644
--- a/tests/long/20.parser/test.py
+++ b/tests/long/20.parser/test.py
@@ -29,5 +29,5 @@
 m5.AddToPath('../configs/common')
 from cpu2000 import parser
 
-workload = parser(isa, opsys, 'lgred')
+workload = parser(isa, opsys, 'mdred')
 root.system.cpu.workload = workload.makeLiveProcess()