diff --git a/components/g/Nav.vue b/components/g/Nav.vue
index 4818df48..eb3a8ad9 100644
--- a/components/g/Nav.vue
+++ b/components/g/Nav.vue
@@ -115,7 +115,7 @@ const navOpen = ref(false);
 
 const { locales, locale: currentLocale } = useI18n();
 const route = useRoute();
-const { afterEach, push } = useRouter();
+const { push } = useRouter();
 const currentPath = ref(route.path);
 
 watch(() => route.path,(to) => {
@@ -124,7 +124,7 @@ watch(() => route.path,(to) => {
     immediate: true,
 });
 
-const switchLocalePath = useSwitchLocalePath();
+const switchLocalePath = useGSwitchLocalePath();
 const localePath = useGLocalePath();
 const spLocaleOption = ref<string>(currentLocale.value);
 function changeLocale() {
diff --git a/composables/useGSwitchLocalePath.ts b/composables/useGSwitchLocalePath.ts
new file mode 100644
index 00000000..0f76f1bf
--- /dev/null
+++ b/composables/useGSwitchLocalePath.ts
@@ -0,0 +1,17 @@
+import {
+    useSwitchLocalePath as _useSwitchLocalePath,
+    getComposer,
+} from 'vue-i18n-routing';
+
+/** useSwitchLocalePathのラッパー関数。 */
+export function useGSwitchLocalePath(
+    options?: NonNullable<Parameters<typeof _useSwitchLocalePath>[0]>
+): ReturnType<typeof _useSwitchLocalePath> {
+    const { route, router, i18n, strategy } = options || {}
+    return _useSwitchLocalePath({
+        route: route || useRoute(),
+        router: router || useRouter(),
+        i18n: i18n || getComposer(useNuxtApp().$i18n),
+        strategy: strategy ?? 'prefix', // ←リンクではprefixつきにする
+    });
+}
\ No newline at end of file