diff --git a/bbb-echotest-autojoin.user.js b/bbb-echotest-autojoin.user.js
index 7c287c04d06e74607389b8d6c78fd27ca0b03753..04bf48bf8c78d744255c9caa58c35d0f3cb26b55 100644
--- a/bbb-echotest-autojoin.user.js
+++ b/bbb-echotest-autojoin.user.js
@@ -48,6 +48,9 @@ function isMuted() {
 
         getEchotestAcceptButton().click();
 
+        // Directly after connecting it might be muted for a short time before unmuting
+        await sleep(500);
+
         // Ensure that the microphone is muted after joining
         while (isMuted() != true) {
             getMuteButton().click();