diff --git a/src/apis/create-alias.ts b/src/apis/create-alias.ts
index 0871aa2..9e5b116 100644
--- a/src/apis/create-alias.ts
+++ b/src/apis/create-alias.ts
@@ -1,4 +1,4 @@
-import {Alias, AliasType, ImageProxyFormatType, ProxyUserAgentType} from "~/server-types"
+import {Alias, AliasType, ImageProxyFormatType, ImageProxyUserAgentType} from "~/server-types"
 import {client} from "~/constants/axios-client"
 
 interface CreateAliasDataOther {
@@ -9,7 +9,7 @@ interface CreateAliasDataOther {
 	prefCreateMailReport?: boolean
 	prefProxyImages?: boolean
 	prefImageProxyFormat?: ImageProxyFormatType
-	prefImageProxyUserAgent?: ProxyUserAgentType
+	prefImageProxyUserAgent?: ImageProxyUserAgentType
 }
 
 interface CreateAliasDataBase extends CreateAliasDataOther {
diff --git a/src/apis/update-alias.ts b/src/apis/update-alias.ts
index fc7b026..2937755 100644
--- a/src/apis/update-alias.ts
+++ b/src/apis/update-alias.ts
@@ -1,4 +1,4 @@
-import {Alias, ImageProxyFormatType, ProxyUserAgentType} from "~/server-types"
+import {Alias, ImageProxyFormatType, ImageProxyUserAgentType} from "~/server-types"
 import {client} from "~/constants/axios-client"
 
 export interface UpdateAliasData {
@@ -8,13 +8,10 @@ export interface UpdateAliasData {
 	prefCreateMailReport?: boolean | null
 	prefProxyImages?: boolean | null
 	prefImagProxyFormat?: ImageProxyFormatType | null
-	prefImageProxyUserAgent?: ProxyUserAgentType | null
+	prefImageProxyUserAgent?: ImageProxyUserAgentType | null
 }
 
-export default async function updateAlias(
-	id: string,
-	updateData: UpdateAliasData,
-): Promise<Alias> {
+export default async function updateAlias(id: string, updateData: UpdateAliasData): Promise<Alias> {
 	const {data} = await client.patch(
 		`${import.meta.env.VITE_SERVER_BASE_URL}/alias/${id}`,
 		updateData,
diff --git a/src/apis/update-preferences.ts b/src/apis/update-preferences.ts
index a07197f..d552019 100644
--- a/src/apis/update-preferences.ts
+++ b/src/apis/update-preferences.ts
@@ -1,8 +1,4 @@
-import {
-	ImageProxyFormatType,
-	ProxyUserAgentType,
-	SimpleDetailResponse,
-} from "~/server-types"
+import {ImageProxyFormatType, ImageProxyUserAgentType, SimpleDetailResponse} from "~/server-types"
 import {client} from "~/constants/axios-client"
 
 export interface UpdatePreferencesData {
@@ -10,7 +6,7 @@ export interface UpdatePreferencesData {
 	aliasCreateMailReport?: boolean
 	aliasProxyImages?: boolean
 	aliasImageProxyFormat?: ImageProxyFormatType
-	aliasImageProxyUserAgent?: ProxyUserAgentType
+	aliasImageProxyUserAgent?: ImageProxyUserAgentType
 }
 
 export default async function updatePreferences(
diff --git a/src/constants/enum-mappings.ts b/src/constants/enum-mappings.ts
index e85097b..93abba5 100644
--- a/src/constants/enum-mappings.ts
+++ b/src/constants/enum-mappings.ts
@@ -1,4 +1,4 @@
-import {ImageProxyFormatType, ProxyUserAgentType} from "~/server-types"
+import {ImageProxyFormatType, ImageProxyUserAgentType} from "~/server-types"
 import {createEnumMapFromTranslation} from "~/utils"
 
 export const IMAGE_PROXY_FORMAT_TYPE_NAME_MAP = createEnumMapFromTranslation(
@@ -7,5 +7,5 @@ export const IMAGE_PROXY_FORMAT_TYPE_NAME_MAP = createEnumMapFromTranslation(
 )
 export const IMAGE_PROXY_USER_AGENT_TYPE_NAME_MAP = createEnumMapFromTranslation(
 	"relations.alias.settings.imageProxyUserAgent.enumTexts",
-	ProxyUserAgentType,
+	ImageProxyUserAgentType,
 )
diff --git a/src/route-widgets/AliasDetailRoute/AliasPreferencesForm.tsx b/src/route-widgets/AliasDetailRoute/AliasPreferencesForm.tsx
index 976e454..698bed3 100644
--- a/src/route-widgets/AliasDetailRoute/AliasPreferencesForm.tsx
+++ b/src/route-widgets/AliasDetailRoute/AliasPreferencesForm.tsx
@@ -13,7 +13,7 @@ import {mdiTextBoxMultiple} from "@mdi/js/commonjs/mdi"
 import {useMutation} from "@tanstack/react-query"
 import Icon from "@mdi/react"
 
-import {Alias, DecryptedAlias, ImageProxyFormatType, ProxyUserAgentType} from "~/server-types"
+import {Alias, DecryptedAlias, ImageProxyFormatType, ImageProxyUserAgentType} from "~/server-types"
 import {UpdateAliasData, updateAlias} from "~/apis"
 import {parseFastAPIError} from "~/utils"
 import {
@@ -37,7 +37,7 @@ interface Form {
 	createMailReport: boolean | null
 	proxyImages: boolean | null
 	imageProxyFormat: ImageProxyFormatType | null
-	imageProxyUserAgent: ProxyUserAgentType | null
+	imageProxyUserAgent: ImageProxyUserAgentType | null
 
 	detail?: string
 }
@@ -65,8 +65,8 @@ export default function AliasPreferencesForm({
 			.oneOf([null, ...Object.values(ImageProxyFormatType)])
 			.label(t("relations.alias.settings.imageProxyFormat.label")),
 		imageProxyUserAgent: yup
-			.mixed<ProxyUserAgentType>()
-			.oneOf([null, ...Object.values(ProxyUserAgentType)])
+			.mixed<ImageProxyUserAgentType>()
+			.oneOf([null, ...Object.values(ImageProxyUserAgentType)])
 			.label(t("relations.alias.settings.imageProxyUserAgent.label")),
 	})
 
diff --git a/src/route-widgets/SettingsRoute/AliasesPreferencesForm.tsx b/src/route-widgets/SettingsRoute/AliasesPreferencesForm.tsx
index 5230312..a9690b5 100644
--- a/src/route-widgets/SettingsRoute/AliasesPreferencesForm.tsx
+++ b/src/route-widgets/SettingsRoute/AliasesPreferencesForm.tsx
@@ -22,7 +22,7 @@ import {
 } from "@mui/material"
 import {LoadingButton} from "@mui/lab"
 
-import {ImageProxyFormatType, ProxyUserAgentType, SimpleDetailResponse} from "~/server-types"
+import {ImageProxyFormatType, ImageProxyUserAgentType, SimpleDetailResponse} from "~/server-types"
 import {UpdatePreferencesData, updatePreferences} from "~/apis"
 import {useErrorSuccessSnacks, useUser} from "~/hooks"
 import {parseFastAPIError} from "~/utils"
@@ -37,7 +37,7 @@ interface Form {
 	createMailReport: boolean
 	proxyImages: boolean
 	imageProxyFormat: ImageProxyFormatType
-	imageProxyUserAgent: ProxyUserAgentType
+	imageProxyUserAgent: ImageProxyUserAgentType
 
 	detail?: string
 }
@@ -58,8 +58,8 @@ export default function AliasesPreferencesForm(): ReactElement {
 			.required()
 			.label(t("relations.alias.settings.imageProxyFormat.label")),
 		imageProxyUserAgent: yup
-			.mixed<ProxyUserAgentType>()
-			.oneOf(Object.values(ProxyUserAgentType))
+			.mixed<ImageProxyUserAgentType>()
+			.oneOf(Object.values(ImageProxyUserAgentType))
 			.required()
 			.label(t("relations.alias.settings.imageProxyUserAgent.label")),
 	})
diff --git a/src/server-types.ts b/src/server-types.ts
index 0792148..aa5e515 100644
--- a/src/server-types.ts
+++ b/src/server-types.ts
@@ -4,7 +4,7 @@ export enum ImageProxyFormatType {
 	JPEG = "jpeg",
 }
 
-export enum ProxyUserAgentType {
+export enum ImageProxyUserAgentType {
 	APPLE_MAIL = "apple-mail",
 	GOOGLE_MAIL = "google-mail",
 	OUTLOOK_WINDOWS = "outlook-windows",
@@ -48,7 +48,7 @@ export interface ServerUser {
 		aliasCreateMailReport: boolean
 		aliasProxyImages: boolean
 		aliasImageProxyFormat: ImageProxyFormatType
-		aliasImageProxyUserAgent: ProxyUserAgentType
+		aliasImageProxyUserAgent: ImageProxyUserAgentType
 	}
 }
 
@@ -89,7 +89,7 @@ export interface Alias {
 	prefCreateMailReport: boolean | null
 	prefProxyImages: boolean | null
 	prefImageProxyFormat: ImageProxyFormatType | null
-	prefImageProxyUserAgent: ProxyUserAgentType | null
+	prefImageProxyUserAgent: ImageProxyUserAgentType | null
 }
 
 export interface AliasNote {