diff --git a/src/lib/account.ts b/src/lib/account.ts
index 6cf5e38c..1d374f57 100644
--- a/src/lib/account.ts
+++ b/src/lib/account.ts
@@ -338,23 +338,3 @@ export function isAccountOrSubAccountsHasButNotAllChecked(account: Account, filt
 
     return checkedCount > 0 && checkedCount < account.subAccounts.length;
 }
-
-export function setAccountSuitableIcon(account: Account, oldCategory: number, newCategory: number): void {
-    const allCategories = AccountCategory.values();
-
-    for (let i = 0; i < allCategories.length; i++) {
-        if (allCategories[i].type === oldCategory) {
-            if (account.icon !== allCategories[i].defaultAccountIconId) {
-                return;
-            } else {
-                break;
-            }
-        }
-    }
-
-    for (let i = 0; i < allCategories.length; i++) {
-        if (allCategories[i].type === newCategory) {
-            account.icon = allCategories[i].defaultAccountIconId;
-        }
-    }
-}
diff --git a/src/models/account.ts b/src/models/account.ts
index 7c639be1..ec7d07d2 100644
--- a/src/models/account.ts
+++ b/src/models/account.ts
@@ -133,6 +133,26 @@ export class Account implements AccountInfoResponse {
         this.visible = other.visible;
     }
 
+    public setSuitableIcon(oldCategory: number, newCategory: number): void {
+        const allCategories = AccountCategory.values();
+
+        for (let i = 0; i < allCategories.length; i++) {
+            if (allCategories[i].type === oldCategory) {
+                if (this.icon !== allCategories[i].defaultAccountIconId) {
+                    return;
+                } else {
+                    break;
+                }
+            }
+        }
+
+        for (let i = 0; i < allCategories.length; i++) {
+            if (allCategories[i].type === newCategory) {
+                this.icon = allCategories[i].defaultAccountIconId;
+            }
+        }
+    }
+
     public toCreateRequest(clientSessionId: string, subAccounts?: Account[], parentAccount?: Account): AccountCreateRequest {
         let subAccountCreateRequests: AccountCreateRequest[] | undefined = undefined;
 
diff --git a/src/views/base/accounts/AccountEditPageBase.ts b/src/views/base/accounts/AccountEditPageBase.ts
index 6f616555..32109f70 100644
--- a/src/views/base/accounts/AccountEditPageBase.ts
+++ b/src/views/base/accounts/AccountEditPageBase.ts
@@ -10,7 +10,6 @@ import type { LocalizedAccountCategory } from '@/core/account.ts';
 import { Account } from '@/models/account.ts';
 
 import { getCurrentUnixTime } from '@/lib/datetime.ts';
-import { setAccountSuitableIcon } from '@/lib/account.ts';
 
 export interface DayAndDisplayName {
     readonly day: number;
@@ -153,7 +152,7 @@ export function useAccountEditPageBaseBase() {
     }
 
     watch(() => account.value.category, (newValue, oldValue) => {
-        setAccountSuitableIcon(account.value, oldValue, newValue);
+        account.value.setSuitableIcon(oldValue, newValue);
     });
 
     return {
diff --git a/src/views/desktop/accounts/list/dialogs/EditDialog.vue b/src/views/desktop/accounts/list/dialogs/EditDialog.vue
index e03fa162..5e285aa4 100644
--- a/src/views/desktop/accounts/list/dialogs/EditDialog.vue
+++ b/src/views/desktop/accounts/list/dialogs/EditDialog.vue
@@ -204,7 +204,6 @@ import { Account } from '@/models/account.ts';
 import { isNumber } from '@/lib/common.ts';
 import { getCurrentUnixTime } from '@/lib/datetime.ts';
 import { generateRandomUUID } from '@/lib/misc.ts';
-import { setAccountSuitableIcon } from '@/lib/account.ts';
 
 import {
     mdiDotsVertical,
@@ -314,7 +313,7 @@ function open(options?: { id?: string, currentAccount?: Account, category?: numb
     } else {
         if (options && isNumber(options.category)) {
             account.value.category = options.category;
-            setAccountSuitableIcon(account.value, 1, options.category);
+            account.value.setSuitableIcon(1, options.category);
         }
 
         editAccountId.value = null;