diff --git a/INSTALL.md b/INSTALL.md
index a4ddd6c..f1370fc 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -12,7 +12,7 @@ build ldapdock from the dockerfile and run into it
 ```
 
 ```
-> docker run -i -t -p 636:636 -h example.com -v ldap_data:/var/lib/ldap -v ldap_config:/etc/ldap/slapd.d ldapdock
+> docker run -i -t -p 389:389 -p 636:636 -h example.com -v ldap_data:/var/lib/ldap -v ldap_config:/etc/ldap/slapd.d ldapdock
 ```
 
 ## _2- Run the openLDAP server and populate a directory_