diff --git a/packages/frontend/src/components/MkNotification.vue b/packages/frontend/src/components/MkNotification.vue
index e992495a78..d8087eb23b 100644
--- a/packages/frontend/src/components/MkNotification.vue
+++ b/packages/frontend/src/components/MkNotification.vue
@@ -15,7 +15,7 @@
 			<i v-else-if="notification.type === 'mention'" class="ti ti-at"></i>
 			<i v-else-if="notification.type === 'quote'" class="ti ti-quote"></i>
 			<i v-else-if="notification.type === 'pollEnded'" class="ti ti-chart-arrows"></i>
-			<i v-else-if="notification.type === 'achievementEarned'" class="ti ti-military-award"></i>
+			<i v-else-if="notification.type === 'achievementEarned'" class="ti ti-medal"></i>
 			<!-- notification.reaction が null になることはまずないが、ここでoptional chaining使うと一部ブラウザで刺さるので念の為 -->
 			<MkReactionIcon
 				v-else-if="notification.type === 'reaction'"
diff --git a/packages/frontend/src/navbar.ts b/packages/frontend/src/navbar.ts
index 3d16a52e62..4f809d888e 100644
--- a/packages/frontend/src/navbar.ts
+++ b/packages/frontend/src/navbar.ts
@@ -105,7 +105,7 @@ export const navbarItemDef = reactive({
 	},
 	achievements: {
 		title: i18n.ts.achievements,
-		icon: 'ti ti-military-award',
+		icon: 'ti ti-medal',
 		show: computed(() => $i != null),
 		to: '/my/achievements',
 	},
diff --git a/packages/frontend/src/pages/achievements.vue b/packages/frontend/src/pages/achievements.vue
index 14b8520696..effa2fcaf4 100644
--- a/packages/frontend/src/pages/achievements.vue
+++ b/packages/frontend/src/pages/achievements.vue
@@ -45,7 +45,7 @@ onDeactivated(() => {
 
 definePageMetadata({
 	title: i18n.ts.achievements,
-	icon: 'ti ti-military-award',
+	icon: 'ti ti-medal',
 });
 </script>
 
diff --git a/packages/frontend/src/pages/user/index.vue b/packages/frontend/src/pages/user/index.vue
index d63aa3a3a5..120f67d8a5 100644
--- a/packages/frontend/src/pages/user/index.vue
+++ b/packages/frontend/src/pages/user/index.vue
@@ -81,7 +81,7 @@ const headerTabs = $computed(() => user ? [{
 }, ...(user.host == null ? [{
 	key: 'achievements',
 	title: i18n.ts.achievements,
-	icon: 'ti ti-military-award',
+	icon: 'ti ti-medal',
 }] : []), ...($i && ($i.id === user.id)) || user.publicReactions ? [{
 	key: 'reactions',
 	title: i18n.ts.reaction,