diff --git a/packages/blockly/core/dragging/block_drag_strategy.ts b/packages/blockly/core/dragging/block_drag_strategy.ts
index 0562eb4adec..883770d55dc 100644
--- a/packages/blockly/core/dragging/block_drag_strategy.ts
+++ b/packages/blockly/core/dragging/block_drag_strategy.ts
@@ -242,6 +242,7 @@ export class BlockDragStrategy implements IDragStrategy {
           },
         ) as BlockSvg;
         eventUtils.setRecordUndo(false);
+        newBlock.render();
         this.positionNewBlock(this.block, newBlock);
         eventUtils.setRecordUndo(true);