diff --git a/grumphp.yml.dist b/grumphp.yml.dist
index abcc44a..80d554e 100644
--- a/grumphp.yml.dist
+++ b/grumphp.yml.dist
@@ -1,7 +1,7 @@
 # grumphp.yml
 parameters:
   git_dir: .
-  bin_dir:
+  bin-dir:
     - 'node_modules/.bin'
     - 'vendor/bin'
   stop_on_failure: true