Oops wrong operator

oargen.py

@@ -60,7 +60,7 @@ def prepare_oarsub(gpu, hosts, core, time,
         properties += "(gpu IS NULL)"
     if hosts:
         for host in hosts:
-            properties += " AND host LIKE '{}'".format(host)
+            properties += " OR host LIKE '{}'".format(host)
     if ignore_hosts:
         for host in ignore_hosts:
             properties += " AND host NOT LIKE '{}'".format(host)