diff --git a/src/js/rulesAssistantOptions.js b/src/js/rulesAssistantOptions.js
index 8b30fd944c4b91ea9f378857716b7c29fa868741..5f2376393182356cb44fc23f20053938dce244d9 100644
--- a/src/js/rulesAssistantOptions.js
+++ b/src/js/rulesAssistantOptions.js
@@ -1643,7 +1643,7 @@ window.rulesAssistantOptions = (function() {
 			this.butts.setValue(2);
 			this.lips.setValue(25);
 			if (this.dicks) { this.dicks.setValue(0); }
-			if (this.balls) { his.balls.setValue(0); }
+			if (this.balls) { this.balls.setValue(0); }
 			this.sublists.forEach(i => i.propagateChange());
 		}