diff --git a/src/stores.ts b/src/stores.ts
index bab7dad..7143cba 100644
--- a/src/stores.ts
+++ b/src/stores.ts
@@ -47,7 +47,7 @@ class QuestionManager {
         if (options.length <= 0)
             options = this.availableQuestions;
 
-        let idx = Math.random() * options.length;
+        let idx = Math.floor(Math.random() * options.length);
         let randomItem = options[idx];
         console.log("Setting question", randomItem);
         this.activeQuestion.set({