diff --git a/library/ix-dev/community/gluetun/templates/configs/_wireguard.tpl b/library/ix-dev/community/gluetun/templates/configs/_wireguard.tpl
index db60f3fb48..0349a9c3db 100644
--- a/library/ix-dev/community/gluetun/templates/configs/_wireguard.tpl
+++ b/library/ix-dev/community/gluetun/templates/configs/_wireguard.tpl
@@ -15,6 +15,6 @@ WIREGUARD_ADDRESSES: {{ join "," . }}
 VPN_ENDPOINT_IP: {{ . }}
   {{- end }}
   {{- with .Values.gluetunConfig.vpnEndpointPort }}
-VPN_ENDPOINT_PORT: {{ . }}
+VPN_ENDPOINT_PORT: {{ . | quote }}
   {{- end }}
 {{- end -}}