diff --git a/scripts/install b/scripts/install
index 77e2305..b21d8be 100755
--- a/scripts/install
+++ b/scripts/install
@@ -24,6 +24,7 @@ ynh_script_progression --message="Setting up source files..." --weight=1
 # Download, check integrity, uncompress and patch the source from manifest.toml
 ynh_setup_source --dest_dir="$install_dir"
 
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 usermod -g www-data $app
 find $install_dir -type f -exec chmod 664 {} \;