diff --git a/nixos/tests/jibri.nix b/nixos/tests/jibri.nix
index 159ce01cd84b..2046ea86d5ac 100644
--- a/nixos/tests/jibri.nix
+++ b/nixos/tests/jibri.nix
@@ -44,7 +44,7 @@ import ./make-test-python.nix ({ pkgs, ... }: {
         "journalctl -b -u prosody -o cat | grep -q 'Authenticated as jibri@auth.machine'", timeout=33
     )
     machine.wait_until_succeeds(
-        "cat /var/log/jitsi/jibri/log.0.txt | grep -q 'Joined MUC: jibribrewery@internal.machine'", timeout=34
+        "cat /var/log/jitsi/jibri/log.0.txt | grep -q 'Joined MUC: jibribrewery@internal.auth.machine'", timeout=34
     )
 
     assert '"busyStatus":"IDLE","health":{"healthStatus":"HEALTHY"' in machine.succeed(