diff --git a/README.md b/README.md
index 6fabc570..8edd3cbc 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Official website: https://my-aac.org
 			chmod 660 images/guilds
 			chmod 660 images/houses
 			chmod 660 images/gallery
-			chmod -R 770 system/cache
+			chmod -R 760 system/cache
 
 	Visit http://your_domain/install (http://localhost/install) and follow instructions in the browser.
 
diff --git a/install/includes/twig_error.html b/install/includes/twig_error.html
index 40daedec..aea25001 100644
--- a/install/includes/twig_error.html
+++ b/install/includes/twig_error.html
@@ -1,4 +1,4 @@
-We have detected that you don't have access to write to the system/cache directory. Under linux you can fix it by using this two command, where first one should be enough (for apache):<br/><br/><span class="console">chown -R www-data.www-data /var/www/*</span><br/><span class="console">chmod -R 660 system/cache</span>
+We have detected that you don't have access to write to the system/cache directory. Under linux you can fix it by using this two command, where first one should be enough (for apache):<br/><br/><span class="console">chown -R www-data.www-data /var/www/*</span><br/><span class="console">chmod -R 760 system/cache</span>
 
 <style type="text/css">
 .console {