diff --git a/scripts/hooks/post-checkout b/scripts/hooks/post-checkout
index 10c13f6bbc3..67255350791 100644
--- a/scripts/hooks/post-checkout
+++ b/scripts/hooks/post-checkout
@@ -1,2 +1,2 @@
 #!/bin/sh
-echo "var npm = require("npm"); npm.load(function (err) {if (err) { throw err; } npm.commands.run(['jake', 'generate-diagnostics']); )" | node
\ No newline at end of file
+echo "var npm = require('npm'); npm.load(function (err) {if (err) { throw err; } npm.commands.run(['jake', 'generate-diagnostics']); })" | node
\ No newline at end of file