diff --git a/21g30t1e75.js b/21g30t1e75.js
index 2d5601a..a1fceef 100644
--- a/21g30t1e75.js
+++ b/21g30t1e75.js
@@ -1152,7 +1152,7 @@ GameLib.CustomCode.prototype.backup = function() {
 	
 	this.backupPrevious = this.backupSnake.map(
 		function(body) {
-			return body;
+			return body.clone();
 		}
 	);