diff --git a/server/budgeting.go b/server/budgeting.go
index 8ab0cae..0527ce0 100644
--- a/server/budgeting.go
+++ b/server/budgeting.go
@@ -66,16 +66,17 @@ func (h *Handler) getBudgetingViewForMonth(ctx context.Context, budget postgres.
 		return BudgetingForMonthResponse{}, fmt.Errorf("error loading balances: %w", err)
 	}
 
-	categoriesWithBalance, moneyUsed := h.calculateBalances(budget, month, categories, cumultativeBalances)
+	categoriesWithBalance, moneyUsed, overspentLastMonth := h.calculateBalances(budget, month, categories, cumultativeBalances)
 	availableBalance := h.getAvailableBalance(budget, month, moneyUsed, cumultativeBalances)
 
-	data := BudgetingForMonthResponse{categoriesWithBalance, availableBalance}
+	data := BudgetingForMonthResponse{categoriesWithBalance, availableBalance, overspentLastMonth}
 	return data, nil
 }
 
 type BudgetingForMonthResponse struct {
-	Categories       []CategoryWithBalance
-	AvailableBalance numeric.Numeric
+	Categories         []CategoryWithBalance
+	AvailableBalance   numeric.Numeric
+	OverspentLastMonth numeric.Numeric
 }
 
 func (*Handler) getAvailableBalance(budget postgres.Budget, month Month,
@@ -135,10 +136,11 @@ func (h *Handler) getBudget(c *gin.Context, budgetUUID uuid.UUID) {
 
 func (h *Handler) calculateBalances(budget postgres.Budget, month Month,
 	categories []postgres.GetCategoriesRow, cumultativeBalances []postgres.GetCumultativeBalancesRow,
-) ([]CategoryWithBalance, numeric.Numeric) {
+) ([]CategoryWithBalance, numeric.Numeric, numeric.Numeric) {
 	categoriesWithBalance := []CategoryWithBalance{}
 
 	moneyUsed := numeric.Zero()
+	overspentLastMonth := numeric.Zero()
 	categories = append(categories, postgres.GetCategoriesRow{
 		Group: "Income",
 		Name:  "No Category",
@@ -172,6 +174,9 @@ func (h *Handler) calculateBalances(budget postgres.Budget, month Month,
 			categoryWithBalance.AvailableLastMonth.AddI(bal.Transactions)
 			if !categoryWithBalance.AvailableLastMonth.IsPositive() {
 				moneyUsed.AddI(categoryWithBalance.AvailableLastMonth)
+				if month.Previous().InPresent(bal.Date) {
+					overspentLastMonth.AddI(categoryWithBalance.AvailableLastMonth)
+				}
 				categoryWithBalance.AvailableLastMonth = numeric.Zero()
 			}
 		}
@@ -179,5 +184,5 @@ func (h *Handler) calculateBalances(budget postgres.Budget, month Month,
 		categoriesWithBalance = append(categoriesWithBalance, categoryWithBalance)
 	}
 
-	return categoriesWithBalance, moneyUsed
+	return categoriesWithBalance, moneyUsed, overspentLastMonth
 }