diff --git a/README.md b/README.md
index 87c7e287..3748b9e0 100644
--- a/README.md
+++ b/README.md
@@ -156,8 +156,7 @@ The maintainers check the code using the flake8 script,
 requirements_dev.txt.
 
 Before submitting patches or pull requests, please ensure that your
-changes pass ```flake8 zipline tests```
-
+changes pass ```flake8 zipline tests``` and ```nosetests```
 
 Source
 ======