diff --git a/sync_from_old_server.sh b/sync_from_old_server.sh
index 3523385..6627361 100755
--- a/sync_from_old_server.sh
+++ b/sync_from_old_server.sh
@@ -422,9 +422,11 @@ if [[ "$sync_mysql_databases" = "ALL" ]]; then
    else
       echo_failed
    fi
-else
+elif [[ -n "$sync_mysql_databases" ]]; then
    _mysql_databases_remote="$sync_mysql_databases"
    _got_mysql_databases=true
+else
+   _got_mysql_databases=false
 fi
 
 if $_got_mysql_databases ; then