diff --git a/js/src/common/Component.ts b/js/src/common/Component.ts
index 09b91b0197..3659eae665 100644
--- a/js/src/common/Component.ts
+++ b/js/src/common/Component.ts
@@ -138,13 +138,13 @@ export default abstract class Component<Attrs extends ComponentAttrs = Component
       if ('children' in attrs) {
         throw new Error(
           `[${
-            (this.constructor as any).name
+            (this.constructor as typeof Component).name
           }] The "children" attribute of attrs should never be used. Either pass children in as the vnode children or rename the attribute`
         );
       }
 
       if ('tag' in attrs) {
-        throw new Error(`[${(this.constructor as any).name}] You cannot use the "tag" attribute name with Mithril 2.`);
+        throw new Error(`[${(this.constructor as typeof Component).name}] You cannot use the "tag" attribute name with Mithril 2.`);
       }
     }
 
diff --git a/js/src/common/components/Modal.tsx b/js/src/common/components/Modal.tsx
index 54c80e3a62..7f54cbf722 100644
--- a/js/src/common/components/Modal.tsx
+++ b/js/src/common/components/Modal.tsx
@@ -59,7 +59,7 @@ export default abstract class Modal<ModalAttrs extends Record<string, unknown> =
     return (
       <div className={'Modal modal-dialog ' + this.className()}>
         <div className="Modal-content">
-          {(this.constructor as any).isDismissible && (
+          {(this.constructor as typeof Modal).isDismissible && (
             <div className="Modal-close App-backControl">
               {Button.component({
                 icon: 'fas fa-times',