diff --git a/src/module/sheets/advantageSheet.mjs b/src/module/sheets/advantageSheet.mjs
index 62696148..db810b8e 100644
--- a/src/module/sheets/advantageSheet.mjs
+++ b/src/module/sheets/advantageSheet.mjs
@@ -53,9 +53,9 @@ export class AdvantageSheet extends HandlebarsApplicationMixin(DocumentSheetV2)
 
         context.system = advantageData.system;
         context.flags = context.system.flags;
-        context.hasChoices = context.system.auswahl.length > 0;
+        context.hasChoices = context.system.auswahl?.length > 0;
         context.choices = {}
-        context.system.auswahl.forEach(a => {
+        context.system.auswahl?.forEach(a => {
             context.choices[a] = a
         })
         context.hasModality = context.system.value != null