diff --git a/src/interaction/sellSlave.js b/src/interaction/sellSlave.js
index f3781dd4a4c8fc0baf22ae993d774bdeaea1d30a..b1a8335744f5dc38080f9c6066de2b7a223b20e2 100644
--- a/src/interaction/sellSlave.js
+++ b/src/interaction/sellSlave.js
@@ -2740,7 +2740,7 @@ App.Interact.sellSlave = function(slave) {
 				"lusty futanari": s => boolToNum(s.balls > 0 && s.scrotum > 0 && s.dick > 0 && s.vagina > -1 && s.devotion > 0) * Math.clamp((s.energy + s.devotion) / 150, 0, 1.2),
 				"cum addicts": s => (boolToNum(s.fetish === "cumslut") * s.fetishStrength / 120) + 0.5 * boolToNum(s.sexualFlaw === "cum addict"),
 				"flesh balloons": s => Math.clamp((s.belly-10000) / 10000, 0, 1.2) * Math.clamp(s.butt / 9, 0, 1.2),
-				"big-breasted cows": s => boolToNum(s.lactation > 1) * Math.clamp((s.boobs - 1200) / 1000, 0, 1.4),
+				"big-breasted cows": s => boolToNum(s.lactation >= 1) * Math.clamp((s.boobs - 1200) / 1000, 0, 1.4),
 				"fertile virgins": s => boolToNum(s.vagina >= 0 && s.vagina <= 1) * ((s.vagina === 0 ? 0.6 : 0) + (isFertile(s) ? 0.6 : 0) + (s.anus === 0 ? 0.15 : 0) - 0.2),
 				"baby obsessed breeders": s => (boolToNum(s.fetish === "pregnancy") * s.fetishStrength / 120) + 0.5 * boolToNum(s.sexualFlaw === "breeder"),
 				"lusty preggos": s => boolToNum(s.devotion > 0) * boolToNum(s.preg > s.pregData.normalBirth / 4) * Math.clamp((s.energy + s.devotion) / 150, 0, 1.2),