diff --git a/scripts/install b/scripts/install
index 323905a..10b96da 100644
--- a/scripts/install
+++ b/scripts/install
@@ -149,6 +149,8 @@ ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions to app files
 chown -R $app:www-data $final_path
+chmod -R ug+rw,o-rwx $final_path
+chmod -R ug+x $final_path/flarum
 
 #=================================================
 # FLARUM POST-INSTALL
diff --git a/scripts/restore b/scripts/restore
index 6cec03b..7059dc1 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -72,9 +72,9 @@ ynh_system_user_create --username=$app
 ynh_script_progression --message="Restoring user rights..."
 
 # Set right permissions
-chown -R $app: $final_path
-chown -R $app:www-data $final_path/storage
-chmod -R 0775 $final_path
+chown -R $app:www-data $final_path
+chmod -R ug+rw,o-rwx $final_path
+chmod -R ug+x $final_path/flarum
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 7a8f24e..66b80fd 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -251,6 +251,8 @@ ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions on app files
 chown -R $app:www-data $final_path
+chmod -R ug+rw,o-rwx $final_path
+chmod -R ug+x $final_path/flarum
 
 #=================================================
 # RELOAD NGINX