diff --git a/DRAMSys/tests/unit/unit_test.py b/DRAMSys/tests/unit/autotest.py
similarity index 99%
rename from DRAMSys/tests/unit/unit_test.py
rename to DRAMSys/tests/unit/autotest.py
index c0b485ba..c413794a 100644
--- a/DRAMSys/tests/unit/unit_test.py
+++ b/DRAMSys/tests/unit/autotest.py
@@ -39,7 +39,7 @@ import shutil
 import multiprocessing
 import sys
 import tempfile
-from mem_util import *
+from memutil import *
 
 
 devnull = None
diff --git a/DRAMSys/tests/unit/mem_util.py b/DRAMSys/tests/unit/memutil.py
similarity index 100%
rename from DRAMSys/tests/unit/mem_util.py
rename to DRAMSys/tests/unit/memutil.py