1 files changed, 1 insertions, 1 deletions
diff --git a/index.html b/index.html
index 9542df5..43c325e 100644
--- a/index.html
+++ b/index.html
@@ -15,7 +15,7 @@
   <body>
     <details id="history">
       <ol id="history-list"></ol>
-      <summary id="history-average"></summary>
+      <summary id="history-average">0.0</summary>
     </details>
 
     <form id="test-form">