diff --git a/install.js b/install.js
index e24fc0d..fc7def7 100644
--- a/install.js
+++ b/install.js
@@ -121,10 +121,10 @@ catch (e) {
   console.error('pre-commit:');
 }
 
-try { fs.chmodSync(precommit, '777'); }
+try { fs.chmodSync(precommit, '775'); }
 catch (e) {
   console.error('pre-commit:');
-  console.error('pre-commit: chmod 0777 the pre-commit file in your .git/hooks folder because:');
+  console.error('pre-commit: chmod 0775 the pre-commit file in your .git/hooks folder because:');
   console.error('pre-commit: '+ e.message);
   console.error('pre-commit:');
 }