diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp

--- a/widget/gtk/nsWindow.cpp

+++ b/widget/gtk/nsWindow.cpp

@@ -1155,6 +1155,28 @@

   }

 }

+bool IsPopupWithoutToplevelParent(nsMenuPopupFrame* aMenuPopupFrame) {

+  // Check if the popup is autocomplete (like tags autocomplete

+  // in the bookmark edit popup).

+  nsAtom* popupId = aMenuPopupFrame->GetContent()->GetID();

+  if (popupId && popupId->Equals(NS_LITERAL_STRING("PopupAutoComplete"))) {

+    return true;

+  }

+

+  // Check if the popup is in popupnotificationcontent (like choosing capture

+  // device when starting webrtc session).

+  nsIFrame* parentFrame = aMenuPopupFrame->GetParent();

+  if (!parentFrame) {

+    return false;

+  }

+  parentFrame = parentFrame->GetParent();

+  if (parentFrame && parentFrame->GetContent()->NodeName().EqualsLiteral(

+                         "popupnotificationcontent")) {

+    return true;

+  }

+  return false;

+}

+

 // Wayland keeps strong popup window hierarchy. We need to track active

 // (visible) popup windows and make sure we hide popup on the same level

 // before we open another one on that level. It means that every open

@@ -1211,10 +1233,14 @@

       LOG(("...[%p] GetParentMenuWidget() = %p\n", (void*)this, parentWindow));

       // If the popup is a regular menu but GetParentMenuWidget() returns

-      // nullptr which means it's connected non-menu parent

-      // (bookmark toolbar for instance).

+      // nullptr which means is not a submenu of any other menu.

       // In this case use a parent given at nsWindow::Create().

-      if (!parentWindow && !menuPopupFrame->IsContextMenu()) {

+      // But we have to avoid using mToplevelParentWindow in case the popup

+      // is in 'popupnotificationcontent' element or autocomplete popup,

+      //  otherwise the popupnotification would disappear when for

+      // example opening a popup with microphone selection.

+      if (!parentWindow && !menuPopupFrame->IsContextMenu() &&

+          !IsPopupWithoutToplevelParent(menuPopupFrame)) {

         parentWindow =

             get_window_for_gtk_widget(GTK_WIDGET(mToplevelParentWindow));

       }