diff --git a/src/models/Diner.lua b/src/models/Diner.lua
index 86aab6b..88a7ea5 100644
--- a/src/models/Diner.lua
+++ b/src/models/Diner.lua
@@ -154,7 +154,7 @@ function Diner:updateSell(slot, calOnly)
 		sells[slot].level = self:getProperty("dishTree"):getv(sell.dish, 1)
 		sells[slot].reward = reward
 		self:setProperty("sells", json.encode(sells))
-		self:incrProperty("popular",popular)
+		self:updateProperty({field = "popular", delta = popular})
 		self:checkDinerTask(DinerTask.SellDish, deltaCount, sell.dish)
 	end
 	return {
--
libgit2 0.21.2