diff --git a/puppet/zulip_internal/manifests/nagios.pp b/puppet/zulip_internal/manifests/nagios.pp
index bd355be97e..eae81a3fb4 100644
--- a/puppet/zulip_internal/manifests/nagios.pp
+++ b/puppet/zulip_internal/manifests/nagios.pp
@@ -1,4 +1,5 @@
 class zulip_internal::nagios {
+  include zulip_internal::base
   include zulip_internal::apache
   include zulip::nagios