diff --git a/src/app/transactions/transaction-list/transaction-list.component.ts b/src/app/transactions/transaction-list/transaction-list.component.ts
index 82a5e8d..11fc365 100644
--- a/src/app/transactions/transaction-list/transaction-list.component.ts
+++ b/src/app/transactions/transaction-list/transaction-list.component.ts
@@ -52,7 +52,7 @@ export class TransactionListComponent implements OnInit {
       }
     }
 
-    this.twigsService.getTransactions(this.budgetIds.join(','), this.categoryIds.join(','), null, from, to).subscribe(transactions => {
+    this.twigsService.getTransactions(this.budgetIds.join(','), this.categoryIds?.join(','), null, from, to).subscribe(transactions => {
       this.transactions = transactions;
     });
   }
diff --git a/src/app/transactions/transactions.component.html b/src/app/transactions/transactions.component.html
index a328b51..8ba149c 100644
--- a/src/app/transactions/transactions.component.html
+++ b/src/app/transactions/transactions.component.html
@@ -1,4 +1,4 @@
-<app-transaction-list [budgetIds]="budgetId" [categoryIds]="categoryId"></app-transaction-list>
+<app-transaction-list [budgetIds]="[budgetId]" [categoryIds]="categoryId"></app-transaction-list>
 <a mat-fab routerLink="/transactions/new" [queryParams]="{budgetId: budgetId}">
   <mat-icon aria-label="Add">add</mat-icon>
 </a>
\ No newline at end of file