diff --git a/packages/client/src/pages/settings/theme.vue b/packages/client/src/pages/settings/theme.vue
index cfc797f51..4777ae56e 100644
--- a/packages/client/src/pages/settings/theme.vue
+++ b/packages/client/src/pages/settings/theme.vue
@@ -51,7 +51,7 @@
 
 	<FormSection>
 		<div class="_formLinksGrid">
-			<FormLink to="/settings/theme/manage"><template #icon><i class="fas fa-folder-open"></i></template>{{ i18n.ts._theme.manage }}<template #suffix>{{ themesCount }}</template></FormLink>
+			<FormLink to="/settings/theme/manage"><template #icon><i class="fas fa-folder-open"></i></template>{{ i18n.ts._theme.manage }}<template #suffix>{{ installedThemes.length }}</template></FormLink>
 			<FormLink to="https://assets.misskey.io/theme/list" external><template #icon><i class="fas fa-globe"></i></template>{{ i18n.ts._theme.explore }}</FormLink>
 			<FormLink to="/settings/theme/install"><template #icon><i class="fas fa-download"></i></template>{{ i18n.ts._theme.install }}</FormLink>
 			<FormLink to="/theme-editor"><template #icon><i class="fas fa-paint-roller"></i></template>{{ i18n.ts._theme.make }}</FormLink>
@@ -113,7 +113,6 @@ const lightThemeId = computed({
 const darkMode = computed(defaultStore.makeGetterSetter('darkMode'));
 const syncDeviceDarkMode = computed(ColdDeviceStorage.makeGetterSetter('syncDeviceDarkMode'));
 const wallpaper = ref(localStorage.getItem('wallpaper'));
-const themesCount = installedThemes.length;
 
 watch(syncDeviceDarkMode, () => {
 	if (syncDeviceDarkMode.value) {