diff --git a/zuul.d/zuul-legacy-jobs.yaml b/zuul.d/zuul-legacy-jobs.yaml
index 94be4174..573173ad 100644
--- a/zuul.d/zuul-legacy-jobs.yaml
+++ b/zuul.d/zuul-legacy-jobs.yaml
@@ -506,6 +506,7 @@
     post-run: playbooks/legacy/logstash-filters/post.yaml
     timeout: 1800
     voting: false
+    nodeset: ubuntu-xenial
 
 - job:
     name: legacy-logstash-filters-ubuntu-trusty