diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 7fcea0855..ddc953a05 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -38,6 +38,7 @@ common:
   signin: "ログイン"
   signup: "新規登録"
   signout: "ログアウト"
+  reload-to-apply-the-setting: "この設定を反映するにはページをリロードする必要があります。今すぐリロードしますか？"
 
   got-it: "わかった"
   customization-tips:
diff --git a/src/client/app/desktop/views/components/settings.vue b/src/client/app/desktop/views/components/settings.vue
index fb67f52e5..9e61dba50 100644
--- a/src/client/app/desktop/views/components/settings.vue
+++ b/src/client/app/desktop/views/components/settings.vue
@@ -463,17 +463,26 @@ export default Vue.extend({
 
 		circleIcons: {
 			get() { return this.$store.state.settings.circleIcons; },
-			set(value) { this.$store.dispatch('settings/set', { key: 'circleIcons', value }); }
+			set(value) {
+				this.$store.dispatch('settings/set', { key: 'circleIcons', value });
+				this.reload();
+			}
 		},
 
 		contrastedAcct: {
 			get() { return this.$store.state.settings.contrastedAcct; },
-			set(value) { this.$store.dispatch('settings/set', { key: 'contrastedAcct', value }); }
+			set(value) {
+				this.$store.dispatch('settings/set', { key: 'contrastedAcct', value });
+				this.reload();
+			}
 		},
 
 		showFullAcct: {
 			get() { return this.$store.state.settings.showFullAcct; },
-			set(value) { this.$store.dispatch('settings/set', { key: 'showFullAcct', value }); }
+			set(value) {
+				this.$store.dispatch('settings/set', { key: 'showFullAcct', value });
+				this.reload();
+			}
 		},
 
 		showVia: {
@@ -517,6 +526,17 @@ export default Vue.extend({
 		});
 	},
 	methods: {
+		reload() {
+			this.$root.dialog({
+				type: 'warning',
+				text: this.$t('@.reload-to-apply-the-setting'),
+				showCancelButton: true
+			}).then(({ canceled }) => {
+				if (!canceled) {
+					location.reload();
+				}
+			});
+		},
 		customizeHome() {
 			location.href = '/?customize';
 		},
diff --git a/src/client/app/mobile/views/pages/settings.vue b/src/client/app/mobile/views/pages/settings.vue
index 5371c300e..aec06adee 100644
--- a/src/client/app/mobile/views/pages/settings.vue
+++ b/src/client/app/mobile/views/pages/settings.vue
@@ -308,7 +308,10 @@ export default Vue.extend({
 
 		circleIcons: {
 			get() { return this.$store.state.settings.circleIcons; },
-			set(value) { this.$store.dispatch('settings/set', { key: 'circleIcons', value }); }
+			set(value) {
+				this.$store.dispatch('settings/set', { key: 'circleIcons', value });
+				this.reload();
+			}
 		},
 
 		lineWidth: {
@@ -318,12 +321,18 @@ export default Vue.extend({
 
 		contrastedAcct: {
 			get() { return this.$store.state.settings.contrastedAcct; },
-			set(value) { this.$store.dispatch('settings/set', { key: 'contrastedAcct', value }); }
+			set(value) {
+				this.$store.dispatch('settings/set', { key: 'contrastedAcct', value });
+				this.reload();
+			}
 		},
 
 		showFullAcct: {
 			get() { return this.$store.state.settings.showFullAcct; },
-			set(value) { this.$store.dispatch('settings/set', { key: 'showFullAcct', value }); }
+			set(value) {
+				this.$store.dispatch('settings/set', { key: 'showFullAcct', value });
+				this.reload();
+			}
 		},
 
 		showVia: {
@@ -396,6 +405,18 @@ export default Vue.extend({
 			this.$root.signout();
 		},
 
+		reload() {
+			this.$root.dialog({
+				type: 'warning',
+				text: this.$t('@.reload-to-apply-the-setting'),
+				showCancelButton: true
+			}).then(({ canceled }) => {
+				if (!canceled) {
+					location.reload();
+				}
+			});
+		},
+
 		checkForUpdate() {
 			this.checkingForUpdate = true;
 			checkForUpdate(this.$root, true, true).then(newer => {