diff --git a/io/router/key_test.go b/io/router/key_test.go
index 49763599..c99040df 100644
--- a/io/router/key_test.go
+++ b/io/router/key_test.go
@@ -282,6 +282,10 @@ func TestFocusScroll(t *testing.T) {
 		Types:        pointer.Scroll,
 		ScrollBounds: image.Rect(-100, -100, 100, 100),
 	}.Add(ops)
+	// Test that h is scrolled even if behind another handler.
+	pointer.InputOp{
+		Tag: new(int),
+	}.Add(ops)
 	cl.Pop()
 	parent.Pop()
 	r.Frame(ops)
diff --git a/io/router/pointer.go b/io/router/pointer.go
index 6c1ce31d..e5123ee4 100644
--- a/io/router/pointer.go
+++ b/io/router/pointer.go
@@ -600,17 +600,26 @@ func (q *pointerQueue) pointerOf(e pointer.Event) int {
 // Deliver is like Push, but delivers an event to a particular area.
 func (q *pointerQueue) Deliver(areaIdx int, e pointer.Event, events *handlerEvents) {
 	var sx, sy = e.Scroll.X, e.Scroll.Y
-	for areaIdx != -1 {
-		a := &q.areas[areaIdx]
-		areaIdx = a.parent
-		if !a.semantic.valid {
+	idx := len(q.hitTree) - 1
+	// Locate first potential receiver.
+	for idx != -1 {
+		n := &q.hitTree[idx]
+		if n.area == areaIdx {
+			break
+		}
+		idx--
+	}
+	for idx != -1 {
+		n := &q.hitTree[idx]
+		idx = n.next
+		if n.tag == nil {
 			continue
 		}
-		cnt := a.semantic.content
-		if cnt.tag == nil {
+		h := q.handlers[n.tag]
+		if e.Type&h.types == 0 {
 			continue
 		}
-		h := q.handlers[cnt.tag]
+		e := e
 		if e.Type == pointer.Scroll {
 			if sx == 0 && sy == 0 {
 				break
@@ -619,12 +628,8 @@ func (q *pointerQueue) Deliver(areaIdx int, e pointer.Event, events *handlerEven
 			sx, e.Scroll.X = setScrollEvent(sx, h.scrollRange.Min.X, h.scrollRange.Max.X)
 			sy, e.Scroll.Y = setScrollEvent(sy, h.scrollRange.Min.Y, h.scrollRange.Max.Y)
 		}
-		if e.Type&h.types == 0 {
-			continue
-		}
-		e := e
 		e.Position = q.invTransform(h.area, e.Position)
-		events.Add(cnt.tag, e)
+		events.Add(n.tag, e)
 		if e.Type != pointer.Scroll {
 			break
 		}