diff --git a/INSTALL.sh b/INSTALL.sh
index d19f6b03..cfdac9e6 100644
--- a/INSTALL.sh
+++ b/INSTALL.sh
@@ -665,6 +665,7 @@ docker_compose_up(){
     echo "MYSQL_ROOT_PASSWORD=$MYSQL_ROOT_PASSWORD" > .env
     echo "MYSQL_ROOT_PASSWORD = $MYSQL_ROOT_PASSWORD"
     # save it to /etc/my.cnf
+    rm -rf /etc/my.cnf  > /dev/null 2>&1 # on centos we get default mycnf..
     ln -s /etc/openpanel/mysql/db.cnf /etc/my.cnf  > /dev/null 2>&1
     sed -i 's/password = .*/password = '"${MYSQL_ROOT_PASSWORD}"'/g' ${ETC_DIR}mysql/db.cnf  > /dev/null 2>&1