diff --git a/components/scroll-wrapper/scroll-wrapper.js b/components/scroll-wrapper/scroll-wrapper.js index 4a04cc771b5..15e5eaf7a5e 100644 --- a/components/scroll-wrapper/scroll-wrapper.js +++ b/components/scroll-wrapper/scroll-wrapper.js @@ -174,13 +174,13 @@ class ScrollWrapper extends RtlMixin(LitElement) { connectedCallback() { super.connectedCallback(); - PRINT_MEDIA_QUERY_LIST?.addEventListener('change', this._handlePrintChange); + PRINT_MEDIA_QUERY_LIST.addEventListener?.('change', this._handlePrintChange); } disconnectedCallback() { super.disconnectedCallback(); this._disconnectAll(); - PRINT_MEDIA_QUERY_LIST?.removeEventListener('change', this._handlePrintChange); + PRINT_MEDIA_QUERY_LIST.removeEventListener?.('change', this._handlePrintChange); } firstUpdated(changedProperties) {