diff --git a/front/src/components/App/ErrorBoundary.tsx b/front/src/components/App/ErrorBoundary.tsx
index f0740c1..f65f509 100644
--- a/front/src/components/App/ErrorBoundary.tsx
+++ b/front/src/components/App/ErrorBoundary.tsx
@@ -3,7 +3,7 @@ import * as React from "react"
 import { ModalWithoutClose } from "~/components/common/ModalWithoutClose"
 import { ModalWithReload } from "../common/ModalWithReload"
 
-export class ErrorBoundary extends React.Component {
+export class ErrorBoundary extends React.Component<{ children: React.ReactNode }> {
   state = { hasError: false }
 
   static getDerivedStateFromError(_error: Error) {
diff --git a/front/src/components/common/InternalLink.tsx b/front/src/components/common/InternalLink.tsx
index b94b82e..74e47b8 100644
--- a/front/src/components/common/InternalLink.tsx
+++ b/front/src/components/common/InternalLink.tsx
@@ -12,6 +12,7 @@ export class InternalLink extends React.Component<{
   to: RouteId | RouteIdWithParamsObj
   className?: string
   innerHTML?: string
+  children?: React.ReactNode
 }> {
   aRef = React.createRef<HTMLAnchorElement>()