diff --git a/README.md b/README.md
index 7083064c1..28fd8cf5c 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ services:
         - 8211:8211/udp
         - 27015:27015/udp
       environment:
-         - PORT=8221
+         - PORT=8211
          - PLAYERS=16
          - MULTITHREADING=FALSE
       volumes: