diff --git a/packages/svgcanvas/core/history.js b/packages/svgcanvas/core/history.js
index 891f4e8b..71bcf127 100644
--- a/packages/svgcanvas/core/history.js
+++ b/packages/svgcanvas/core/history.js
@@ -425,7 +425,7 @@ export class BatchCommand extends Command {
   */
   unapply (handler) {
     super.unapply(handler, () => {
-      this.stack.reverse().forEach((stackItem) => {
+      [...this.stack].reverse().forEach((stackItem) => {
         console.assert(stackItem, 'stack item should not be null')
         stackItem && stackItem.unapply(handler)
       })