diff --git a/web/src/stores/budget-account.ts b/web/src/stores/budget-account.ts
index d0903fe..b5bf7df 100644
--- a/web/src/stores/budget-account.ts
+++ b/web/src/stores/budget-account.ts
@@ -102,6 +102,8 @@ export const useAccountStore = defineStore("budget/account", {
         async FetchMonthBudget(budgetid: string, year: number, month: number) {
             const result = await GET("/budget/" + budgetid + "/" + year + "/" + month);
             const response = await result.json();
+            if(response.Categories == undefined || response.Categories.length <= 0)
+                return;
             this.addCategoriesForMonth(year, month, response.Categories);
         },
         addCategoriesForMonth(year: number, month: number, categories: Category[]): void {