diff --git a/.ert-runner b/.ert-runner
new file mode 100644
index 0000000..e35e9c9
--- /dev/null
+++ b/.ert-runner
@@ -0,0 +1 @@
+-L .
diff --git a/Cask b/Cask
index 23c3867..e57e86e 100644
--- a/Cask
+++ b/Cask
@@ -6,4 +6,5 @@
 (development
  (depends-on "el-mock")
  (depends-on "ert-runner")
- (depends-on "dash"))
+ (depends-on "dash")
+ (depends-on "undercover"))
diff --git a/README.md b/README.md
index 1b2623a..5b2d954 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Espuds - Ecukes step definitions
 
 [![Build Status](https://api.travis-ci.org/ecukes/espuds.png?branch=master)](http://travis-ci.org/ecukes/espuds)
+[![Coverage Status](https://coveralls.io/repos/rejeep/espuds/badge.svg?branch=master&service=github)](https://coveralls.io/github/rejeep/espuds?branch=master)
 [![MELPA](http://melpa.org/packages/espuds-badge.svg)](http://melpa.org/#/espuds)
 [![MELPA stable](http://stable.melpa.org/packages/espuds-badge.svg)](http://stable.melpa.org/#/espuds)
 
diff --git a/test/test-helper.el b/test/test-helper.el
index f75f23f..5d264fd 100644
--- a/test/test-helper.el
+++ b/test/test-helper.el
@@ -24,6 +24,8 @@
 (unless (require 'ert nil 'noerror)
   (require 'ert (f-expand "ert" espuds-test/vendor-path)))
 
+(require 'undercover)
+(undercover "espuds.el")
 (require 'espuds (f-expand "espuds" espuds-test/root-path))