diff --git a/roles/fedmsg/base/templates/relay.py.j2 b/roles/fedmsg/base/templates/relay.py.j2
index c454445d6d..2821c72812 100644
--- a/roles/fedmsg/base/templates/relay.py.j2
+++ b/roles/fedmsg/base/templates/relay.py.j2
@@ -35,9 +35,9 @@ config = dict(
         "tcp://209.132.181.16:9941",
         {% elif 'retrace' in group_names %}
 
-        # We want the retrace boxes to talk to our stg bus while we get them
-        # ready.
-        "tcp://stg.fedoraproject.org:9941",
+        # We want the retrace boxes to talk to the *internal* IP of proxy01,
+        # because otherwise the RHIT firewall blocks them.
+        "tcp://proxy01.phx2.fedoraproject.org:9941",
 
         {% else %}