diff --git a/optimize_mysql_tables.sh b/optimize_mysql_tables.sh
index bdc4a18..64c5cf4 100755
--- a/optimize_mysql_tables.sh
+++ b/optimize_mysql_tables.sh
@@ -275,6 +275,8 @@ if [[ -z "$mysql_credential_args" ]]; then
          || ( [[ $MAJOR_VERSION -eq 10 ]] && [[ $MINOR_VERSION -gt 3 ]] )) ; then
       if [[ -S "/tmp/mysql.sock" ]]; then
          mysql_credential_args="-u root -S /tmp/mysql.sock"
+      elif [[ -S "/run/mysqld/mysqld.sock" ]]; then
+         mysql_credential_args="-u root -S /run/mysqld/mysqld.sock"
       elif [[ -S "/var/run/mysqld/mysqld.sock" ]]; then
          mysql_credential_args="-u root -S /var/run/mysqld/mysqld.sock"
       else