diff --git a/apps/cistech-tunnel/shared/xstartup b/apps/cistech-tunnel/shared/xstartup
index 776bf59..e145a3d 100644
--- a/apps/cistech-tunnel/shared/xstartup
+++ b/apps/cistech-tunnel/shared/xstartup
@@ -18,6 +18,10 @@ chmod 700 $XDG_RUNTIME_DIR
 export GDK_BACKEND=x11
 export WEBKIT_DISABLE_DMABUF_RENDERER=1
 
+# Qt/Chromium flags for running as root (no sandbox)
+export QTWEBENGINE_CHROMIUM_FLAGS="--no-sandbox --disable-gpu"
+export QTWEBENGINE_DISABLE_SANDBOX=1
+
 # Start dbus session
 [ -x /usr/bin/dbus-launch ] && eval $(dbus-launch --sh-syntax --exit-with-session)