diff --git a/manifests/media/gluetun-proxy.yaml b/manifests/media/gluetun-proxy.yaml
index 7b841c4..2c4fb6d 100644
--- a/manifests/media/gluetun-proxy.yaml
+++ b/manifests/media/gluetun-proxy.yaml
@@ -44,7 +44,7 @@ spec:
             - name: HTTPPROXY
               value: "on"
             - name: HTTPPROXY_LISTENING_ADDRESS
-              value: "8888"
+              value: ":8888"
             - name: HTTPPROXY_LOG
               value: "off"
             - name: FIREWALL_OUTBOUND_SUBNETS