diff --git a/src/actions/SeaportAction.lua b/src/actions/SeaportAction.lua
index b41d344..6f518f2 100644
--- a/src/actions/SeaportAction.lua
+++ b/src/actions/SeaportAction.lua
@@ -257,6 +257,9 @@ function _M.shopRpc(agent, data)
 
 	local reward, change = role:award(itemReward, {log = {desc = "seaportShop", int1 = id, int2 = count}})
 
+	shop[id] = (shop[id] or 0) + count
+	seaport.shop = shop
+
 	role:updateProperty({field = "seaport", value = seaport})
 
 	SendPacket(actionCodes.Seaport_shopRpc, MsgPack.pack(role:packReward(reward, change)))
--
libgit2 0.21.2