diff --git a/examples/chat/hub.go b/examples/chat/hub.go
index 92da865..76ec3d4 100644
--- a/examples/chat/hub.go
+++ b/examples/chat/hub.go
@@ -43,7 +43,7 @@ func (h *Hub) run() {
 				case conn.send <- message:
 				default:
 					close(conn.send)
-					delete(hub.connections, conn)
+					delete(h.connections, conn)
 				}
 			}
 		}