diff --git a/packages/mermaid/src/rendering-util/rendering-elements/shapes/state.ts b/packages/mermaid/src/rendering-util/rendering-elements/shapes/state.ts
index 73d119045..fac255735 100644
--- a/packages/mermaid/src/rendering-util/rendering-elements/shapes/state.ts
+++ b/packages/mermaid/src/rendering-util/rendering-elements/shapes/state.ts
@@ -1,4 +1,4 @@
-import type { Node } from '$root/rendering-util/types.d.ts';
+import type { Node, RectOptions } from '$root/rendering-util/types.d.ts';
 import { drawRect } from './drawRect.js';
 
 export const state = async (parent: SVGAElement, node: Node) => {
@@ -6,6 +6,6 @@ export const state = async (parent: SVGAElement, node: Node) => {
     rx: 5,
     ry: 5,
     classes: 'flowchart-node',
-  };
+  } as RectOptions;
   return drawRect(parent, node, options);
 };