diff --git a/koko.py b/extract_features.py
similarity index 100%
rename from koko.py
rename to extract_features.py
diff --git a/formants.py b/formants.py
index cae8fc9..09bbc08 100644
--- a/formants.py
+++ b/formants.py
@@ -1,5 +1,5 @@
 
-import Extract_Features as features
+import extract_features as features
 from subprocess import call
 import sys
 import argparse