diff --git a/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor-dialog/interfaces/interfaces.ts b/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor-dialog/interfaces/interfaces.ts
index fcc98c271e..4a0e419e7b 100644
--- a/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor-dialog/interfaces/interfaces.ts
+++ b/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor-dialog/interfaces/interfaces.ts
@@ -2,7 +2,7 @@ import { User } from '@ghostfolio/common/interfaces';
 import { DataSource } from '@ghostfolio/prisma/enums';
 
 export interface HistoricalMarketDataEditorDialogParams {
-  currency: string;
+  currency?: string;
   dataSource: DataSource;
   dateString: string;
   marketPrice?: number;
diff --git a/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor.component.ts b/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor.component.ts
index 401fd84523..94baafbf1a 100644
--- a/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor.component.ts
+++ b/libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor.component.ts
@@ -66,9 +66,9 @@ export class GfHistoricalMarketDataEditorComponent
     DATE_FORMAT
   )};123.45`;
 
-  @Input() currency: string;
+  @Input() currency?: string;
   @Input() dataSource: DataSource;
-  @Input() dateOfFirstActivity: Date;
+  @Input() dateOfFirstActivity?: Date;
   @Input() symbol: string;
   @Input() user: User;