diff --git a/src/js/rulesAssistantOptions.js b/src/js/rulesAssistantOptions.js
index 32d58812fad17797e762699bb7170379911dcf4c..7a7589b3124817b10ca7522eae4aa0f17f159310 100644
--- a/src/js/rulesAssistantOptions.js
+++ b/src/js/rulesAssistantOptions.js
@@ -1564,7 +1564,7 @@ window.rulesAssistantOptions = (function() {
 
 	class RegimenTab extends Tab {
 		constructor(tabButtons) {
-			super("regiment", "Physical Regiment", tabButtons);
+			super("regimen", "Physical Regimen", tabButtons);
 			if (V.arcologies[0].FSAssetExpansionistResearch === 1) {
 				this.appendChild(new HyperGrowthSwitch());
 			}