diff --git a/README.md b/README.md
index 5e04e5b..73dff57 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,8 @@ Launch the following command in your favorite terminal :
 bash -c "`curl https://xdrm.io/script/ptut-installer`" -i
 ```
 **TODO**
-1. fix unstable `npm` issue for newer versions (vulnerability check)
-2. implement feature to choose custom port
+[ ] fix unstable `npm` issue for newer versions (vulnerability check)
+[x] implement feature to choose custom port
 
 
 ---
diff --git a/install-scripts/installer b/install-scripts/installer
index bd0d4c3..b77d611 100644
--- a/install-scripts/installer
+++ b/install-scripts/installer
@@ -353,6 +353,12 @@ else
 	exit 1;
 fi;
 
+# 3. Set custom port
+inline_progress "   . port $port";
+cat ./$host/docker-compose.yml | sed "s/8080:80/$port:80/" > /tmp/docker-compose-new-port;
+mv /tmp/docker-compose-new-port ./$host/docker-compose.yml;
+echo "ok";
+
 # (8) make installer
 #--------------------------------------------------------#
 echo;