diff --git a/firefly/.env b/firefly/.env
index f8abf34..54a3861 100644
--- a/firefly/.env
+++ b/firefly/.env
@@ -192,7 +192,7 @@ MAP_DEFAULT_ZOOM=6
 # To change this, set your preferred comma separated set below.
 # Be sure to include http, https and other default ones if you need to.
 #
-VALID_URL_PROTOCOLS=
+VALID_URL_PROTOCOLS=https
 
 #
 # Firefly III authentication settings