diff --git a/apps/firefly/.env b/apps/firefly/.env
index 5ba3342..d63924c 100644
--- a/apps/firefly/.env
+++ b/apps/firefly/.env
@@ -1,4 +1,4 @@
-APP_KEY=ZHr3GRFkH9jEJ6TtoD6pEEsLHEfRViqqxSV6G7Zsba8=
+APP_KEY=base64:ZHr3GRFkH9jEJ6TtoD6pEEsLHEfRViqqxSV6G7Zsba8=
 APP_URL=https://firefly.kaleschke.info
 
 DB_HOST=firefly-db