diff -up firefox-100.0.2/widget/gtk/nsWindow.cpp.D147267 firefox-100.0.2/widget/gtk/nsWindow.cpp
--- firefox-100.0.2/widget/gtk/nsWindow.cpp.D147267	2022-05-25 11:46:48.291005415 +0200
+++ firefox-100.0.2/widget/gtk/nsWindow.cpp	2022-05-25 11:50:11.447736538 +0200
@@ -2359,11 +2359,12 @@ void nsWindow::WaylandPopupMove() {
   LOG(" popup use move to rect %d\n", mPopupUseMoveToRect);
 
   if (!mPopupUseMoveToRect) {
-    if (mNeedsShow && mPopupType != ePopupTypeTooltip) {
+    if (mPopupHint == ePopupTypeMenu) {
       // Workaround for https://gitlab.gnome.org/GNOME/gtk/-/issues/4308
-      // Tooltips are created as subsurfaces with relative position.
+      // Tooltips/Utility popus are created as subsurfaces with relative position.
+      // Menu uses absolute positions.
       LOG("  use gtk_window_move(%d, %d) for hidden widget\n", mPopupPosition.x,
-          mPopupPosition.y);
+            mPopupPosition.y);
       gtk_window_move(GTK_WINDOW(mShell), mPopupPosition.x, mPopupPosition.y);
     } else {
       LOG("  use gtk_window_move(%d, %d) for visible widget\n",