diff --git a/script.sh b/script.sh
index 5b8291b..e425e2b 100644
--- a/script.sh
+++ b/script.sh
@@ -14,9 +14,15 @@ else
     exit 1
 fi
 
+# Get app url
+FILE=/app/heroku-app.txt
+ROOT_URL=$(grep -oP '(?<=^ROOT_URL\s*=\s*).+' $FILE)
+
+# Custom configuration
 mkdir -p /var/lib/gitea/custom/conf
 
 # printf "[server]\nDOMAIN = $DOMAIN\n" > /var/lib/gitea/custom/conf/app.ini
+printf "[server]\nROOT_URL = $ROOT_URL\n" > /var/lib/gitea/custom/conf/app.ini
 printf "[database]\nDB_TYPE = $DB_TYPE\nHOST = $HOST\nNAME = $NAME\nUSER = $USER\nPASSWD = $PASSWD\n" >> /var/lib/gitea/custom/conf/app.ini
 
 /usr/local/bin/gitea web -port $PORT
\ No newline at end of file