diff --git a/grafana/files/grafana.ini b/grafana/files/grafana.ini
index b4a61ad..b7dbd33 100644
--- a/grafana/files/grafana.ini
+++ b/grafana/files/grafana.ini
@@ -177,7 +177,7 @@
 [auth.proxy]
 {%- if server.get('auth', {}).get('engine', None) == 'proxy' %}
 enabled = true
-header_name = {{ server.auth.get('header', 'X-REMOTE-USER') %}
+header_name = {{ server.auth.get('header', 'X-REMOTE-USER') }}
 header_property = {{ server.auth.get('header_property', 'username') }}
 auto_sign_up = true
 {%- endif %}