diff --git a/src/tests.rs b/src/tests.rs
index d95ecc6..2e996d1 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -78,6 +78,7 @@ async fn test_0045_join_presence_empty_room() {
         .clone()
         .with_node("room")
         .with_resource("nick");
+    let roomjid = COMPONENT_JID.clone().with_node("room");
 
     // <x xmlns='http://jabber.org/protocol/muc'/>
     let join: Element = Presence::new(PresenceType::None)
@@ -120,4 +121,10 @@ async fn test_0045_join_presence_empty_room() {
 
     handle_stanza(&mut component, &mut rooms).await.unwrap();
     component.assert();
+
+    assert_eq!(rooms.len(), 1);
+    match rooms.get(&roomjid) {
+        Some(_) => (),
+        None => panic!(),
+    }
 }