diff --git a/README.md b/README.md
index fb8282af5185d56c5dbac66635549cdfc33bace8..ae3a83ded29bd953eca82876bd7049cd25a9b568 100644
--- a/README.md
+++ b/README.md
@@ -80,4 +80,7 @@ Per default, the container will listen on the port 4242 for connections.
 This can be configured with `--port` and `--listen`.
 
 If the `--ident-daemon` argument is passed, the ident daemon will additionally
-listen on 10113. You can configure this with `--ident-port`.
+listen on 10113. You can configure this with `--ident-port`.  
+This by default only listens on localhost, which obviously will cause issues
+when used in a container like this, so make sure to add the
+`--ident-listen ::,0.0.0.0` argument.