diff --git a/src/npc/generate/generateMarketSlave.js b/src/npc/generate/generateMarketSlave.js
index 58d0f530bfd203c8bbad48683053f80c7ab438bc..6e9f2aeabfce527b757ddaef1d72cd375b7337c1 100644
--- a/src/npc/generate/generateMarketSlave.js
+++ b/src/npc/generate/generateMarketSlave.js
@@ -1977,7 +1977,7 @@ globalThis.generateMarketSlave = function(market = "kidnappers", numArcology = 1
 				slave.heels = 1;
 				slave.hStyle = "neat";
 				slave.collar = "leather with cowbell";
-				slave.brand["right thigh"] = "the logo of the Cattle Ranch";
+				App.Medicine.Modification.addBrand(slave, "right thigh", "the logo of the Cattle Ranch");
 			} else if (V.TCR.schoolUpgrade === 1 && jsRandom(1, 100) <= 20) {
 				SGProp.minAge = V.potencyAge + 1;
 				SGProp.maxAge = 24;
@@ -2049,7 +2049,7 @@ globalThis.generateMarketSlave = function(market = "kidnappers", numArcology = 1
 				applyMindbroken(slave, jsEither([-100, -100, -100, -100, -60, -60, -30]));
 				slave.hStyle = "neat";
 				slave.collar = "leather with cowbell";
-				slave.brand["right thigh"] = "the logo of the Cattle Ranch";
+				App.Medicine.Modification.addBrand(slave, "right thigh", "the logo of the Cattle Ranch");
 			}
 			break;
 		}