diff --git a/plugins/woocommerce-blocks/assets/js/blocks/cart-checkout-shared/sidebar-notices/index.tsx b/plugins/woocommerce-blocks/assets/js/blocks/cart-checkout-shared/sidebar-notices/index.tsx
index 391cb424b1f..1fb2e516e07 100644
--- a/plugins/woocommerce-blocks/assets/js/blocks/cart-checkout-shared/sidebar-notices/index.tsx
+++ b/plugins/woocommerce-blocks/assets/js/blocks/cart-checkout-shared/sidebar-notices/index.tsx
@@ -36,7 +36,7 @@ const withSidebarNotices = createHigherOrderComponent(
 
 		// Show sidebar notices only when a WooCommerce block is selected.
 		if ( ! blockName.startsWith( 'woocommerce/' ) || ! isBlockSelected ) {
-			return <BlockEdit { ...props } />;
+			return <BlockEdit key="edit" { ...props } />;
 		}
 
 		const [
@@ -115,7 +115,7 @@ const withSidebarNotices = createHigherOrderComponent(
 					</InspectorControls>
 				) }
 
-				<BlockEdit { ...props } />
+				<BlockEdit key="edit" { ...props } />
 			</>
 		);
 	},