diff --git a/src/js/rulesAssistantOptions.js b/src/js/rulesAssistantOptions.js
index d44757e3baa9de91ffd7cbd868fd28c48a14d08b..2ae21c926de09cad2bcbc422eac10bbbc6980dcc 100644
--- a/src/js/rulesAssistantOptions.js
+++ b/src/js/rulesAssistantOptions.js
@@ -340,7 +340,7 @@ window.rulesAssistantOptions = (function() {
 	 */
 	class ListCapitalized extends List {
 		_createListItem(display, data) {
-			return super._createListItem(capFirstChar(display), data || display);
+			return super._createListItem(capFirstChar(display), data !== undefined ? data : display);
 		}
 	}