diff --git a/mod_php_install.sh b/mod_php_install.sh
index 7cc669e..bb83cc6 100755
--- a/mod_php_install.sh
+++ b/mod_php_install.sh
@@ -3333,6 +3333,25 @@ if $ACTIVATE_PHP_FPM_INIT_SCRIPT ; then
 fi
 
 
+## -----
+## - Rename /etc/mysql/my.cnf if MySQL was not installed from debian package system.
+## -----
+
+if [[ -d "/usr/local/mysql" ]]; then
+   if [[ -f "/etc/mysql/my.cnf" ]]; then
+      echo
+      echononl "\tRename '/etc/mysql/my.cnf' to '/etc/mysql/my.cnf.DEBIAN'.."
+      mv "/etc/mysql/my.cnf" "/etc/mysql/my.cnf.DEBIAN" > $tmp_err_msg 2>&1
+      if [[ $? -eq 0 ]]; then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat $tmp_err_msg)"
+      fi
+   fi
+fi 
+
+
 cd $pwd
 
 cat<<EOF