diff --git a/sstreasury/models.py b/sstreasury/models.py
index f278dff..8651d1e 100644
--- a/sstreasury/models.py
+++ b/sstreasury/models.py
@@ -100,7 +100,7 @@ class BudgetRevision(models.Model):
 	def get_revenue_total(self):
 		total = Decimal(0)
 		for item in self.revenue:
-			total += Decimal(item['Unit price']) * item['Units']
+			total += Decimal(item['Unit price']) * Decimal(item['Units'])
 			if item['IWT'] and item['Unit price'] > 0:
 				total -= (Decimal(item['Unit price']) - (Decimal(item['Unit price']) - Decimal('0.8133')) / Decimal('1.01884')) * item['Units']
 		return total
@@ -108,7 +108,7 @@ class BudgetRevision(models.Model):
 	def get_expense_total(self):
 		total = Decimal(0)
 		for item in self.expense:
-			total += Decimal(item['Unit price']) * item['Units']
+			total += Decimal(item['Unit price']) * Decimal(item['Units'])
 		if not self.expense_no_emergency_fund:
 			total *= Decimal('1.05')
 		return total