diff --git a/src/js/slaveCostJS.tw b/src/js/slaveCostJS.tw
index bd9b50f90b9ce50d4224d4cff6a6ed08524fbba8..30b53971a55767aa9256b971a7c9ef5f59978dcd 100644
--- a/src/js/slaveCostJS.tw
+++ b/src/js/slaveCostJS.tw
@@ -1745,7 +1745,7 @@ window.slaveCost = (function() {
 		}
 	};
 
-	function calcCareersCost() {
+	function calcCareersCost(slave) {
 		if (slave.career !== 0) {
 			if (slave.career === "a slave") {
 				multiplier += 0.1;