@ -151,10 +151,10 @@ const contentObserver = {
// https://github.com/gorhill/uBlock/issues/795
// Only the top main frame can be an orphan
let isTopLevel = context === context.top && type === this.MAIN_FRAME;
let isTopLevel = context === context.top;
let parentFrameId;
if ( isTopLevel ) {
if ( isTopLevel && type === this.MAIN_FRAME ) {
parentFrameId = -1;
} else if ( context.parent === context.top ) {
parentFrameId = 0;