diff --git a/src/components/playbackSettings/playbackSettings.js b/src/components/playbackSettings/playbackSettings.js
index 56d4a83de2..42bddf3ffb 100644
--- a/src/components/playbackSettings/playbackSettings.js
+++ b/src/components/playbackSettings/playbackSettings.js
@@ -259,7 +259,7 @@ function loadForm(context, user, userSettings, systemInfo, apiClient) {
     context.querySelector('.chkEnableHi10p').checked = appSettings.enableHi10p();
     context.querySelector('.chkEnableCinemaMode').checked = userSettings.enableCinemaMode();
     context.querySelector('#selectAudioNormalization').value = userSettings.selectAudioNormalization();
-    context.querySelector('.fldAudioNormalization').classList.toggle('hide', browser.iOS);
+    context.querySelector('.fldAudioNormalization').classList.toggle('hide', !!browser.iOS);
     context.querySelector('.chkEnableNextVideoOverlay').checked = userSettings.enableNextVideoInfoOverlay();
     context.querySelector('.chkRememberAudioSelections').checked = user.Configuration.RememberAudioSelections || false;
     context.querySelector('.chkRememberSubtitleSelections').checked = user.Configuration.RememberSubtitleSelections || false;