diff --git a/packages/mermaid/src/rendering-util/rendering-elements/shapes/filledCircle.ts b/packages/mermaid/src/rendering-util/rendering-elements/shapes/filledCircle.ts
index c1a8bda85..fef522e13 100644
--- a/packages/mermaid/src/rendering-util/rendering-elements/shapes/filledCircle.ts
+++ b/packages/mermaid/src/rendering-util/rendering-elements/shapes/filledCircle.ts
@@ -21,6 +21,7 @@ export const filledCircle = (
   const radius = 7;
   const { cssStyles } = node;
 
+  // @ts-expect-error shapeSvg d3 class is incorrect?
   const rc = rough.svg(shapeSvg);
   const { nodeBorder } = themeVariables;
   const options = userNodeOverrides(node, { fillStyle: 'solid' });
diff --git a/packages/mermaid/src/rendering-util/rendering-elements/shapes/lightningBolt.ts b/packages/mermaid/src/rendering-util/rendering-elements/shapes/lightningBolt.ts
index deb1b5e5c..dc17fc26a 100644
--- a/packages/mermaid/src/rendering-util/rendering-elements/shapes/lightningBolt.ts
+++ b/packages/mermaid/src/rendering-util/rendering-elements/shapes/lightningBolt.ts
@@ -29,6 +29,7 @@ export const lightningBolt = (parent: SVG, node: Node) => {
     { x: 2 * gap, y: height - gap / 2 },
   ];
 
+  // @ts-expect-error shapeSvg d3 class is incorrect?
   const rc = rough.svg(shapeSvg);
   const options = userNodeOverrides(node, {});