diff --git a/hooks/pre-commit b/hooks/pre-commit
index 5f60645..d4f22f7 100755
--- a/hooks/pre-commit
+++ b/hooks/pre-commit
@@ -83,7 +83,7 @@ class Bumper
 end
 
 bumper = Bumper.new([
-	Source.new('mustache.js', /mustache.version = "([\d\.]*)"/),
+	Source.new('mustache.js', /mustache.version = '([\d\.]*)'/),
 	Source.new('mustache.js.nuspec', /<version>([\d\.]*)<\/version>/),
 	Source.new('bower.json', /"version": "([\d\.]*)"/)
 ])