diff --git a/core/events/events_block_change.ts b/core/events/events_block_change.ts
index a50cadc71..0e0b9b7a5 100644
--- a/core/events/events_block_change.ts
+++ b/core/events/events_block_change.ts
@@ -205,7 +205,7 @@ export class BlockChange extends BlockBase {
    */
   static getExtraBlockState_(block: BlockSvg): string {
     if (block.saveExtraState) {
-      const state = block.saveExtraState(false);
+      const state = block.saveExtraState(true);
       return state ? JSON.stringify(state) : '';
     } else if (block.mutationToDom) {
       const state = block.mutationToDom();