diff --git a/scripts/install b/scripts/install
index 3e72ba4..f42c748 100755
--- a/scripts/install
+++ b/scripts/install
@@ -247,8 +247,11 @@ ynh_store_file_checksum --file="$final_path/.htaccess"
 # Set permissions to app files
 chown -R root: $final_path
 
+chmod o-rwx $final_path
+chown $app:www-data $final_path
+
 # Remove database initialization file
-#rm $final_path/qa-include/qa-install.php
+rm $final_path/qa-include/qa-install.php
 
 #=================================================
 # SETUP SSOWAT
diff --git a/scripts/restore b/scripts/restore
index a24e6f6..38593d2 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -75,6 +75,9 @@ ynh_system_user_create --username=$app
 # Restore permissions on app files
 chown -R root: $final_path
 
+chmod o-rwx $final_path
+chown $app:www-data $final_path
+
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 75b78a8..cab6cc1 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -153,6 +153,9 @@ fi
 # Set permissions on app files
 chown -R root: $final_path
 
+chmod o-rwx $final_path
+chown $app:www-data $final_path
+
 #=================================================
 # RELOAD NGINX
 #=================================================