diff --git a/src/main/resources/jitsi/deployment.yaml b/src/main/resources/jitsi/deployment.yaml
index bc97561..c9de022 100644
--- a/src/main/resources/jitsi/deployment.yaml
+++ b/src/main/resources/jitsi/deployment.yaml
@@ -40,6 +40,7 @@ spec:
           image: jitsi/prosody:stable-8922-1
           imagePullPolicy: IfNotPresent
           env:
+            # TODO: is this public_url for prosody necessary?
             - name: PUBLIC_URL
               value: REPLACE_JITSI_FQDN
             - name: XMPP_SERVER
diff --git a/src/test/cljc/dda/c4k_jitsi/jitsi_test.cljc b/src/test/cljc/dda/c4k_jitsi/jitsi_test.cljc
index 24d8aee..5145f1d 100644
--- a/src/test/cljc/dda/c4k_jitsi/jitsi_test.cljc
+++ b/src/test/cljc/dda/c4k_jitsi/jitsi_test.cljc
@@ -32,8 +32,8 @@
                :image "jitsi/prosody:stable-8922-1",
                :imagePullPolicy "IfNotPresent",
                :env
-               [{:name "XMPP_SERVER", :value "localhost"}
-                {:name "JVB_AUTH_USER", :value "jvb"}
+               [{:name "PUBLIC_URL", :value "xy.xy.xy"}
+                {:name "XMPP_SERVER", :value "localhost"}
                 {:name "JICOFO_COMPONENT_SECRET",
                  :valueFrom {:secretKeyRef {:name "jitsi-config", :key "JICOFO_COMPONENT_SECRET"}}}
                 {:name "JVB_AUTH_USER", :value "jvb"}