diff --git a/apps/payment/models.py b/apps/payment/models.py
index 8dbbccb6..b1368dc4 100644
--- a/apps/payment/models.py
+++ b/apps/payment/models.py
@@ -188,7 +188,7 @@ class SchoolPayment(Payment):
             month_price_sum = aggregate.get('month_price__sum', 0) * weekday_count // all_weekday_count
         else:
             month_price_sum = aggregate.get('month_price__sum', 0)
-        if month_price_sum > config.SERVICE_DISCOUNT_MIN_AMOUNT:
+        if month_price_sum >= config.SERVICE_DISCOUNT_MIN_AMOUNT:
             discount = config.SERVICE_DISCOUNT
         else:
             discount = 0