diff --git a/src/js/DefaultRules.tw b/src/js/DefaultRules.tw
index a2719b91ada8fa435292fb0400d8427d576c0f3a..c5d4b6a5a7f9c5e085a3f52995d1eea575c2cd3b 100644
--- a/src/js/DefaultRules.tw
+++ b/src/js/DefaultRules.tw
@@ -979,7 +979,7 @@ window.DefaultRules = (function() {
 				if (slave.boobs < rule.growth_boobs) {
 					_priority = {drug: "breast injections", weight: (rule.growth_boobs-slave.boobs)/rule.growth_boobs};
 					_priorities.push(_priority);
-				} else if ((slave.boobs > rule.growth_boobs+200) && slave.weight < 100 && (V.arcologies[0].FSSlimnessEnthusiastResearch == 1)) {
+				} else if ((slave.boobs > parseInt(rule.growth_boobs)+200) && slave.weight < 100 && (V.arcologies[0].FSSlimnessEnthusiastResearch == 1)) {
 					_priority = {
 						drug: "breast redistributors",
 						weight: (1+((slave.boobs-slave.boobsImplant-rule.growth_boobs)/rule.growth_boobs)) };
@@ -1121,7 +1121,7 @@ window.DefaultRules = (function() {
 			}
 			if (V.arcologies[0].FSSlimnessEnthusiastResearch == 1) {
 				if (rule.growth_boobs != "no default setting") {
-					if (slave.boobs-slave.boobsImplant > rule.growth_boobs+200 && slave.weight < 100) {
+					if (slave.boobs-slave.boobsImplant > parseInt(rule.growth_boobs)+200 && slave.weight < 100) {
 						if (slave.drugs != "breast redistributors") {
 							slave.drugs = "breast redistributors";
 							r += `<br>${slave.slaveName} has been put on ${slave.drugs}.`;