diff --git a/src/main/kotlin/org/jitsi/jibri/selenium/pageobjects/CallPage.kt b/src/main/kotlin/org/jitsi/jibri/selenium/pageobjects/CallPage.kt
index a6c6a1ec..c5756a19 100644
--- a/src/main/kotlin/org/jitsi/jibri/selenium/pageobjects/CallPage.kt
+++ b/src/main/kotlin/org/jitsi/jibri/selenium/pageobjects/CallPage.kt
@@ -235,7 +235,7 @@ class CallPage(driver: RemoteWebDriver) : AbstractPageObject(driver) {
             """
             try {
                 return APP.conference._room.getParticipants()
-                    .filter(p => (p.isHidden() || p.isHiddenFromRecorder())
+                    .filter(p => (p.isHidden() || p.isHiddenFromRecorder()))
                     .length;
             } catch (e) {
                 return e.message;