diff --git a/src/lib/category.ts b/src/lib/category.ts
index 8ae5b5e2..6347a59f 100644
--- a/src/lib/category.ts
+++ b/src/lib/category.ts
@@ -2,17 +2,6 @@ import { CategoryType } from '@/core/category.ts';
 import { TransactionType } from '@/core/transaction.ts';
 import { type TransactionCategoriesWithVisibleCount, TransactionCategory } from '@/models/transaction_category.ts';
 
-export function setCategoryModelByAnotherCategory(category: TransactionCategory, category2: TransactionCategory): void {
-    category.id = category2.id;
-    category.type = category2.type;
-    category.parentId = category2.parentId;
-    category.name = category2.name;
-    category.icon = category2.icon;
-    category.color = category2.color;
-    category.comment = category2.comment;
-    category.visible = !category2.hidden;
-}
-
 export function transactionTypeToCategoryType(transactionType: TransactionType): CategoryType | null {
     if (transactionType === TransactionType.Income) {
         return CategoryType.Income;
diff --git a/src/models/transaction_category.ts b/src/models/transaction_category.ts
index f6fbb325..8123f077 100644
--- a/src/models/transaction_category.ts
+++ b/src/models/transaction_category.ts
@@ -1,3 +1,4 @@
+import type { ColorValue } from '@/core/color.ts';
 import { type LocalizedPresetCategory, CategoryType } from '@/core/category.ts';
 import { DEFAULT_CATEGORY_ICON_ID } from '@/consts/icon.ts';
 import { DEFAULT_CATEGORY_COLOR } from '@/consts/color.ts';
@@ -6,15 +7,15 @@ export class TransactionCategory implements TransactionCategoryInfoResponse {
     public id: string;
     public name: string;
     public parentId: string;
-    public type: number;
+    public type: CategoryType;
     public icon: string;
-    public color: string;
+    public color: ColorValue;
     public comment: string;
     public displayOrder: number;
     public visible: boolean;
     public secondaryCategories?: TransactionCategory[];
 
-    private constructor(id: string, name: string, parentId: string, type: number, icon: string, color: string, comment: string, displayOrder: number, visible: boolean, secondaryCategories?: TransactionCategory[]) {
+    private constructor(id: string, name: string, parentId: string, type: CategoryType, icon: string, color: ColorValue, comment: string, displayOrder: number, visible: boolean, secondaryCategories?: TransactionCategory[]) {
         this.id = id;
         this.name = name;
         this.parentId = parentId;
@@ -52,6 +53,17 @@ export class TransactionCategory implements TransactionCategoryInfoResponse {
         return ret;
     }
 
+    public from(other: TransactionCategory): void {
+        this.id = other.id;
+        this.name = other.name;
+        this.parentId = other.parentId;
+        this.type = other.type;
+        this.icon = other.icon;
+        this.color = other.color;
+        this.comment = other.comment;
+        this.visible = other.visible;
+    }
+
     public toCreateRequest(clientSessionId: string): TransactionCategoryCreateRequest {
         return {
             name: this.name,
@@ -92,13 +104,13 @@ export class TransactionCategory implements TransactionCategoryInfoResponse {
     }
 
     public static ofMany(categoryResponses: TransactionCategoryInfoResponse[]): TransactionCategory[] {
-        const tags: TransactionCategory[] = [];
+        const categories: TransactionCategory[] = [];
 
-        for (const tagResponse of categoryResponses) {
-            tags.push(TransactionCategory.of(tagResponse));
+        for (const categoryResponse of categoryResponses) {
+            categories.push(TransactionCategory.of(categoryResponse));
         }
 
-        return tags;
+        return categories;
     }
 
     public static ofMap(categoriesByType: Record<number, TransactionCategoryInfoResponse[]>): Record<number, TransactionCategory[]> {
diff --git a/src/views/desktop/categories/list/dialogs/EditDialog.vue b/src/views/desktop/categories/list/dialogs/EditDialog.vue
index 65f08f84..9af84eec 100644
--- a/src/views/desktop/categories/list/dialogs/EditDialog.vue
+++ b/src/views/desktop/categories/list/dialogs/EditDialog.vue
@@ -103,10 +103,7 @@ import { ALL_CATEGORY_COLORS } from '@/consts/color.ts';
 import { TransactionCategory } from '@/models/transaction_category.ts';
 
 import { generateRandomUUID } from '@/lib/misc.ts';
-import {
-    setCategoryModelByAnotherCategory,
-    allVisiblePrimaryTransactionCategoriesByType
-} from '@/lib/category.ts';
+import { allVisiblePrimaryTransactionCategoriesByType } from '@/lib/category.ts';
 
 export default {
     props: [
@@ -176,18 +173,18 @@ export default {
             self.submitting = false;
 
             const newTransactionCategory = TransactionCategory.createNewCategory();
-            setCategoryModelByAnotherCategory(self.category, newTransactionCategory);
+            self.category.from(newTransactionCategory);
 
             if (options.id) {
                 if (options.currentCategory) {
-                    setCategoryModelByAnotherCategory(self.category, options.currentCategory);
+                    self.category.from(options.currentCategory);
                 }
 
                 self.editCategoryId = options.id;
                 self.transactionCategoriesStore.getCategory({
                     categoryId: self.editCategoryId
                 }).then(category => {
-                    setCategoryModelByAnotherCategory(self.category, category);
+                    self.category.from(category);
                     self.loading = false;
                 }).catch(error => {
                     self.loading = false;
diff --git a/src/views/mobile/categories/EditPage.vue b/src/views/mobile/categories/EditPage.vue
index fabcbc3e..3cb3bb17 100644
--- a/src/views/mobile/categories/EditPage.vue
+++ b/src/views/mobile/categories/EditPage.vue
@@ -156,10 +156,7 @@ import { TransactionCategory } from '@/models/transaction_category.ts';
 
 import { getNameByKeyValue } from '@/lib/common.ts';
 import { generateRandomUUID } from '@/lib/misc.ts';
-import {
-    setCategoryModelByAnotherCategory,
-    allVisiblePrimaryTransactionCategoriesByType
-} from '@/lib/category.ts';
+import { allVisiblePrimaryTransactionCategoriesByType } from '@/lib/category.ts';
 
 export default {
     props: [
@@ -238,7 +235,7 @@ export default {
             self.transactionCategoriesStore.getCategory({
                 categoryId: self.editCategoryId
             }).then(category => {
-                setCategoryModelByAnotherCategory(self.category, category);
+                self.category.from(category);
                 self.loading = false;
             }).catch(error => {
                 if (error.processed) {