diff --git a/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl b/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl
index 4c4845af36..672026d152 100644
--- a/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl
+++ b/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl
@@ -14,7 +14,7 @@ events {
 http {
     {{/* we use the value of the header X-Forwarded-For to be able to use the geo_ip module */}}
     {{ if $cfg.UseProxyProtocol }}
-    set_real_ip_from    {{ $cfg.ProxyRealIpCidr }};
+    set_real_ip_from    {{ $cfg.ProxyRealIPCIDR }};
     real_ip_header      proxy_protocol;
     {{ else }}
     real_ip_header      X-Forwarded-For;