diff --git a/apps/api/src/app/account-balance/account-balance.controller.ts b/apps/api/src/app/account-balance/account-balance.controller.ts
index a853148b5..8d6d2d1c1 100644
--- a/apps/api/src/app/account-balance/account-balance.controller.ts
+++ b/apps/api/src/app/account-balance/account-balance.controller.ts
@@ -1,3 +1,4 @@
+import { AccountService } from '@ghostfolio/api/app/account/account.service';
 import { HasPermission } from '@ghostfolio/api/decorators/has-permission.decorator';
 import { HasPermissionGuard } from '@ghostfolio/api/guards/has-permission.guard';
 import { permissions } from '@ghostfolio/common/permissions';
@@ -25,6 +26,7 @@ import { CreateAccountBalanceDto } from './create-account-balance.dto';
 export class AccountBalanceController {
   public constructor(
     private readonly accountBalanceService: AccountBalanceService,
+    private readonly accountService: AccountService,
     @Inject(REQUEST) private readonly request: RequestWithUser
   ) {}
 
@@ -56,19 +58,31 @@ export class AccountBalanceController {
   public async createAccountBalance(
     @Body() data: CreateAccountBalanceDto
   ): Promise<AccountBalance> {
-    const account = data.Account.connect.id_userId;
-    const body = {
+    const account = await this.accountService.account({
+      id_userId: {
+        id: data.accountId,
+        userId: this.request.user.id
+      }
+    });
+
+    if (!account) {
+      throw new HttpException(
+        getReasonPhrase(StatusCodes.FORBIDDEN),
+        StatusCodes.FORBIDDEN
+      );
+    }
+
+    return this.accountBalanceService.createAccountBalance({
       Account: {
         connect: {
           id_userId: {
             id: account.id,
-            userId: this.request.user.id
+            userId: account.userId
           }
         }
       },
-      value: data.balance,
-      date: data.date
-    };
-    return this.accountBalanceService.createAccountBalance(body);
+      date: data.date,
+      value: data.balance
+    });
   }
 }
diff --git a/apps/api/src/app/account-balance/account-balance.module.ts b/apps/api/src/app/account-balance/account-balance.module.ts
index 1fba60fce..02323acc9 100644
--- a/apps/api/src/app/account-balance/account-balance.module.ts
+++ b/apps/api/src/app/account-balance/account-balance.module.ts
@@ -1,3 +1,4 @@
+import { AccountService } from '@ghostfolio/api/app/account/account.service';
 import { ExchangeRateDataModule } from '@ghostfolio/api/services/exchange-rate-data/exchange-rate-data.module';
 import { PrismaModule } from '@ghostfolio/api/services/prisma/prisma.module';
 
@@ -10,6 +11,6 @@ import { AccountBalanceService } from './account-balance.service';
   controllers: [AccountBalanceController],
   exports: [AccountBalanceService],
   imports: [ExchangeRateDataModule, PrismaModule],
-  providers: [AccountBalanceService]
+  providers: [AccountBalanceService, AccountService]
 })
 export class AccountBalanceModule {}
diff --git a/apps/api/src/app/account-balance/create-account-balance.dto.ts b/apps/api/src/app/account-balance/create-account-balance.dto.ts
index eb516fb3c..28e939b82 100644
--- a/apps/api/src/app/account-balance/create-account-balance.dto.ts
+++ b/apps/api/src/app/account-balance/create-account-balance.dto.ts
@@ -1,40 +1,8 @@
-import { Type } from 'class-transformer';
-import {
-  IsISO8601,
-  IsNotEmptyObject,
-  IsNumber,
-  IsObject,
-  IsString,
-  ValidateNested
-} from 'class-validator';
-
-export class Id_UserId {
-  @IsString()
-  id: string;
-}
-
-export class Connect {
-  @IsNotEmptyObject()
-  @IsObject()
-  @ValidateNested()
-  @Type(() => Id_UserId)
-  id_userId: Id_UserId;
-}
-
-export class Account {
-  @IsNotEmptyObject()
-  @IsObject()
-  @ValidateNested()
-  @Type(() => Connect)
-  connect: Connect;
-}
+import { IsISO8601, IsNumber, IsUUID } from 'class-validator';
 
 export class CreateAccountBalanceDto {
-  @IsNotEmptyObject()
-  @IsObject()
-  @ValidateNested()
-  @Type(() => Account)
-  Account: Account;
+  @IsUUID()
+  accountId: string;
 
   @IsNumber()
   balance: number;
diff --git a/apps/client/src/app/components/account-detail-dialog/account-detail-dialog.component.ts b/apps/client/src/app/components/account-detail-dialog/account-detail-dialog.component.ts
index 448cc77d5..a7ef2d4cf 100644
--- a/apps/client/src/app/components/account-detail-dialog/account-detail-dialog.component.ts
+++ b/apps/client/src/app/components/account-detail-dialog/account-detail-dialog.component.ts
@@ -141,18 +141,17 @@ export class AccountDetailDialog implements OnDestroy, OnInit {
   }
 
   public onAddAccountBalance({
-    date,
-    balance
+    balance,
+    date
   }: {
-    date: string;
     balance: number;
+    date: Date;
   }) {
-    const formattedDate = new Date(date);
     this.dataService
       .postAccountBalance({
-        accountId: this.data.accountId,
         balance,
-        date: formattedDate
+        date,
+        accountId: this.data.accountId
       })
       .pipe(takeUntil(this.unsubscribeSubject))
       .subscribe({
diff --git a/apps/client/src/app/services/data.service.ts b/apps/client/src/app/services/data.service.ts
index c71aab67a..16d104834 100644
--- a/apps/client/src/app/services/data.service.ts
+++ b/apps/client/src/app/services/data.service.ts
@@ -42,7 +42,11 @@ import { translate } from '@ghostfolio/ui/i18n';
 import { HttpClient, HttpParams } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { SortDirection } from '@angular/material/sort';
-import { DataSource, Order as OrderModel } from '@prisma/client';
+import {
+  AccountBalance,
+  DataSource,
+  Order as OrderModel
+} from '@prisma/client';
 import { format, parseISO } from 'date-fns';
 import { cloneDeep, groupBy, isNumber } from 'lodash';
 import { Observable } from 'rxjs';
@@ -612,24 +616,18 @@ export class DataService {
   }
 
   public postAccountBalance({
-    date,
     accountId,
-    balance
+    balance,
+    date
   }: {
-    date: Date;
     accountId: string;
     balance: number;
+    date: Date;
   }) {
-    return this.http.post<any>(`/api/v1/account-balance`, {
-      Account: {
-        connect: {
-          id_userId: {
-            id: accountId
-          }
-        }
-      },
-      date,
-      balance: balance
+    return this.http.post<AccountBalance>(`/api/v1/account-balance`, {
+      accountId,
+      balance,
+      date
     });
   }
 
diff --git a/libs/ui/src/lib/account-balances/account-balances.component.html b/libs/ui/src/lib/account-balances/account-balances.component.html
index a05c73828..0cfa4a5da 100644
--- a/libs/ui/src/lib/account-balances/account-balances.component.html
+++ b/libs/ui/src/lib/account-balances/account-balances.component.html
@@ -62,6 +62,7 @@
           <button
             class="mx-1 no-min-width px-2"
             mat-button
+            type="button"
             [matMenuTriggerFor]="accountBalanceMenu"
             (click)="$event.stopPropagation()"
           >
@@ -69,7 +70,11 @@
           </button>
         }
         <mat-menu #accountBalanceMenu="matMenu" xPosition="before">
-          <button mat-menu-item (click)="onDeleteAccountBalance(element.id)">
+          <button
+            mat-menu-item
+            type="button"
+            (click)="onDeleteAccountBalance(element.id)"
+          >
             <span class="align-items-center d-flex">
               <ion-icon class="mr-2" name="trash-outline" />
               <span i18n>Delete</span>
diff --git a/libs/ui/src/lib/account-balances/account-balances.component.ts b/libs/ui/src/lib/account-balances/account-balances.component.ts
index 0f3071785..2ed1ad923 100644
--- a/libs/ui/src/lib/account-balances/account-balances.component.ts
+++ b/libs/ui/src/lib/account-balances/account-balances.component.ts
@@ -64,7 +64,7 @@ export class GfAccountBalancesComponent
 
   @Output() accountBalanceCreated = new EventEmitter<{
     balance: number;
-    date: string;
+    date: Date;
   }>();
   @Output() accountBalanceDeleted = new EventEmitter<string>();
 
@@ -81,7 +81,7 @@ export class GfAccountBalancesComponent
 
   public accountBalanceForm = new FormGroup({
     balance: new FormControl(0, Validators.required),
-    date: new FormControl(new Date().toISOString(), Validators.required)
+    date: new FormControl(new Date(), Validators.required)
   });
 
   public constructor(private dateAdapter: DateAdapter<any>) {}