Index: binaries/data/mods/public/simulation/data/auras/teambonuses/cart_player_teambonus.json
===================================================================
--- binaries/data/mods/public/simulation/data/auras/teambonuses/cart_player_teambonus.json
+++ binaries/data/mods/public/simulation/data/auras/teambonuses/cart_player_teambonus.json
@@ -3,7 +3,7 @@
 	"affects": ["Market"],
 	"affectedPlayers": ["ExclusiveMutualAlly"],
 	"modifications": [
-		{ "value": "Market/InternationalBonus", "add": 0.1 }
+		{ "value": "Market/InternationalBonus", "multiply": 1.1 }
 	],
 	"auraName": "Trademasters",
 	"auraDescription": "Allied markets +10% international trade bonus."