diff --git a/io/router/pointer.go b/io/router/pointer.go
index 5d6d6296..e95bc6e7 100644
--- a/io/router/pointer.go
+++ b/io/router/pointer.go
@@ -779,6 +779,7 @@ func (q *pointerQueue) deliverEnterLeaveEvents(p *pointerInfo, events *handlerEv
 		e.Type = pointer.Leave
 
 		if e.Type&h.types != 0 {
+			e := e
 			e.Position = q.invTransform(h.area, e.Position)
 			events.Add(k, e)
 		}
@@ -792,6 +793,7 @@ func (q *pointerQueue) deliverEnterLeaveEvents(p *pointerInfo, events *handlerEv
 		e.Type = pointer.Enter
 
 		if e.Type&h.types != 0 {
+			e := e
 			e.Position = q.invTransform(h.area, e.Position)
 			events.Add(k, e)
 		}