diff --git a/devapp/views.py b/devapp/views.py
index b58425b..c8fb12e 100644
--- a/devapp/views.py
+++ b/devapp/views.py
@@ -586,7 +586,7 @@ class NagiosObjectsConfView(global_base_views.AuthenticatedOrHashAuthView):
         def norm_name(name: str, replreg=re.compile(r'\W{1,255}', re.IGNORECASE)):
             return replreg.sub('', name)
 
-        for dev in Device.objects.exclude(Q(ip_address=None) | Q(ip_address='127.0.0.1')) \
+        for dev in Device.objects.exclude(ip_address='127.0.0.1') \
                 .select_related('parent_dev') \
                 .only('ip_address', 'comment', 'parent_dev'):
             host_name = norm_name("%d%s" % (dev.pk, translit(dev.comment, language_code='ru', reversed=True)))