diff --git a/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-disabled-tls.conf b/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-disabled-tls.conf
index 1ea55b990..613d97ca6 100644
--- a/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-disabled-tls.conf
+++ b/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-disabled-tls.conf
@@ -7,7 +7,7 @@ http {
         http2 on;
         location / {
             grpc_pass grpc://zitadel-disabled-tls:8080;
-            grpc_set_header Host $host:$server_port;
+            grpc_set_header Host $host;
         }
     }
 }
diff --git a/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-enabled-tls.conf b/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-enabled-tls.conf
index 00e83f74a..397f1db72 100644
--- a/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-enabled-tls.conf
+++ b/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-enabled-tls.conf
@@ -9,7 +9,7 @@ http {
         ssl_certificate_key /etc/certs/selfsigned.key;
         location / {
             grpc_pass grpcs://zitadel-enabled-tls:8080;
-            grpc_set_header Host $host:$server_port;
+            grpc_set_header Host $host;
         }
     }
 }
diff --git a/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-external-tls.conf b/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-external-tls.conf
index c2f34062c..4c1eddb66 100644
--- a/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-external-tls.conf
+++ b/docs/docs/self-hosting/manage/reverseproxy/nginx/nginx-external-tls.conf
@@ -9,7 +9,7 @@ http {
         ssl_certificate_key /etc/certs/selfsigned.key;
         location / {
             grpc_pass grpc://zitadel-external-tls:8080;
-            grpc_set_header Host $host:$server_port;
+            grpc_set_header Host $host;
         }
     }
 }