diff --git a/README.md b/README.md
index 12f00a17c3..90e7985b0b 100755
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Kitematic's documentation and other information can be found at [http://kitemati
 Kitematic uses a special version of node npm (found under `script/npm`) so packages are built against the same v8 headers as atom-shell. To run the app in development:
 
 - `./script/npm install`
-- `./script/run.sh`
+- `./script/run`
 
 ### Building the Mac OS X Package