diff --git a/storybook/stories/playground/with-undo-redo/index.js b/storybook/stories/playground/with-undo-redo/index.js
index 77e059247a051..b5a6067cad24b 100644
--- a/storybook/stories/playground/with-undo-redo/index.js
+++ b/storybook/stories/playground/with-undo-redo/index.js
@@ -52,6 +52,7 @@ export default function EditorWithUndoRedo() {
 						accessibleWhenDisabled
 						icon={ undoIcon }
 						label="Undo"
+						size="compact"
 					/>
 					<Button
 						onClick={ redo }
@@ -59,6 +60,7 @@ export default function EditorWithUndoRedo() {
 						accessibleWhenDisabled
 						icon={ redoIcon }
 						label="Redo"
+						size="compact"
 					/>
 					<BlockToolbar hideDragHandle />
 				</div>