diff --git a/packages/@headlessui-react/src/components/menu/menu.tsx b/packages/@headlessui-react/src/components/menu/menu.tsx
index 5949bc3..772a46c 100644
--- a/packages/@headlessui-react/src/components/menu/menu.tsx
+++ b/packages/@headlessui-react/src/components/menu/menu.tsx
@@ -397,6 +397,7 @@ const Items = forwardRefWithAs(function Items<
       switch (event.key) {
         // Ref: https://www.w3.org/TR/wai-aria-practices-1.2/#keyboard-interaction-12
 
+        // @ts-expect-error Falthrough is expected here
         case Key.Space:
           if (state.searchQuery !== '')
             return dispatch({ type: ActionTypes.Search, value: event.key })
diff --git a/packages/@headlessui-vue/src/components/menu/menu.ts b/packages/@headlessui-vue/src/components/menu/menu.ts
index 950924f..3337bbe 100644
--- a/packages/@headlessui-vue/src/components/menu/menu.ts
+++ b/packages/@headlessui-vue/src/components/menu/menu.ts
@@ -335,6 +335,7 @@ export const MenuItems = defineComponent({
       switch (event.key) {
         // Ref: https://www.w3.org/TR/wai-aria-practices-1.2/#keyboard-interaction-12
 
+        // @ts-expect-error Falthrough is expected here
         case Key.Space:
           if (api.searchQuery.value !== '') return api.search(event.key)
         // When in type ahead mode, fallthrough