diff --git a/src/Space.ts b/src/Space.ts
index eaff4861..75af7003 100644
--- a/src/Space.ts
+++ b/src/Space.ts
@@ -67,7 +67,7 @@ export abstract class Space {
     let player:IPlayer = (typeof p == "function") ? { animate: p } : p;
     
     let k = this.playerCount++;
-    let pid = this.id + k;
+    let pid = player.animateID || (this.id + k);
     
     this.players[pid] = player;
     player.animateID = pid;