diff --git a/apps/api/src/app/portfolio/portfolio.controller.ts b/apps/api/src/app/portfolio/portfolio.controller.ts
index 3c1f545af..a0f676ff6 100644
--- a/apps/api/src/app/portfolio/portfolio.controller.ts
+++ b/apps/api/src/app/portfolio/portfolio.controller.ts
@@ -198,8 +198,8 @@ export class PortfolioController {
     if (groupBy === 'month') {
       dividends = await this.portfolioService.getDividends({
         dateRange,
-        impersonationId,
-        groupBy: 'month'
+        groupBy,
+        impersonationId
       });
     } else {
       dividends = await this.portfolioService.getDividends({
@@ -247,8 +247,8 @@ export class PortfolioController {
     if (groupBy === 'month') {
       investments = await this.portfolioService.getInvestments({
         dateRange,
-        impersonationId,
-        groupBy: 'month'
+        groupBy,
+        impersonationId
       });
     } else {
       investments = await this.portfolioService.getInvestments({
diff --git a/apps/client/src/app/services/data.service.ts b/apps/client/src/app/services/data.service.ts
index 52323d101..1b831ac90 100644
--- a/apps/client/src/app/services/data.service.ts
+++ b/apps/client/src/app/services/data.service.ts
@@ -36,7 +36,7 @@ import {
   User
 } from '@ghostfolio/common/interfaces';
 import { filterGlobalPermissions } from '@ghostfolio/common/permissions';
-import { AccountWithValue, DateRange } from '@ghostfolio/common/types';
+import { AccountWithValue, DateRange, GroupBy } from '@ghostfolio/common/types';
 import { translate } from '@ghostfolio/ui/i18n';
 import { DataSource, Order as OrderModel } from '@prisma/client';
 import { format, parseISO } from 'date-fns';
@@ -102,10 +102,10 @@ export class DataService {
   }
 
   public fetchDividends({
-    groupBy,
+    groupBy = 'month',
     range
   }: {
-    groupBy?: 'month';
+    groupBy?: GroupBy;
     range: DateRange;
   }) {
     return this.http.get<PortfolioDividends>('/api/v1/portfolio/dividends', {
@@ -191,10 +191,10 @@ export class DataService {
   }
 
   public fetchInvestments({
-    groupBy,
+    groupBy = 'month',
     range
   }: {
-    groupBy?: 'month';
+    groupBy?: GroupBy;
     range: DateRange;
   }) {
     return this.http.get<PortfolioInvestments>(