diff --git a/install_mysql.sh b/install_mysql.sh
index 0aa909c..db97980 100755
--- a/install_mysql.sh
+++ b/install_mysql.sh
@@ -314,7 +314,7 @@ if $UPDATE_MYSQL ; then
    echo_ok
 
    echononl "Get current MySQL Version.."
-   CURRENT_VERSION="$(echo $_MYSQLD_VERSION | grep -o -E "[0-9]+\.[0-9]+\.[0-9]+(-[0-9]+)?")"
+   CURRENT_VERSION="$(echo $_MYSQLD_VERSION | grep -o -E "[0-9]+\.[0-9]+\.[0-9]+(-[0-9]+)?" | head -n 1)"
    CURRENT_MAIN_VERSION="$(echo $CURRENT_VERSION | cut -d '.' -f1,2)"
    if [[ -n "$CURRENT_VERSION" ]]; then
       echo_ok