diff --git a/install_mysq.sh b/install_mysql.sh
similarity index 99%
rename from install_mysq.sh
rename to install_mysql.sh
index 2de7adf..6624b3b 100755
--- a/install_mysq.sh
+++ b/install_mysql.sh
@@ -494,7 +494,8 @@ if [ "$OK" = "ja" ]; then
    SYSTEMD_EXISTS=false
 fi
 
-if [[ "$MYSQL_MAIN_VERSION" = "5.6" ]] ; then
+if [[ "$MYSQL_MAJOR_VERSION" -lt 5 ]]  \
+   ||  ( [[ "$MYSQL_MAJOR_VERSION" -eq 5 ]] && [[ "$MYSQL_MINOR_VERSION" -lt 7 ]] ) ; then
    INSTALL_SYSTEMD_SERVICE=false
 else
    if $SYSTEMD_EXISTS ; then