diff --git a/roles/authelia/templates/conf-main.json.j2 b/roles/authelia/templates/conf-main.json.j2
index 0b75b5a..eee90ef 100644
--- a/roles/authelia/templates/conf-main.json.j2
+++ b/roles/authelia/templates/conf-main.json.j2
@@ -56,7 +56,7 @@
 {% else %}
 			"disable": true,
 {% endif %}
-			"custom_url": "{{cfg_authelia.password_reset.custom_url}}"
+			"custom_url": {{cfg_authelia.password_reset.custom_url | to_json}}
 		},
 		"refresh_interval": "5m",
 		"file": {