diff --git a/HeishaMon/htmlcode.h b/HeishaMon/htmlcode.h
index 31edb48a..116102ce 100644
--- a/HeishaMon/htmlcode.h
+++ b/HeishaMon/htmlcode.h
@@ -102,9 +102,9 @@ static const char refreshJS[] PROGMEM =
   "         tableBody.appendChild(row);"
   "       });"  
   "     }"
-  "     if (jsonData?.['heatpump extra'] && Array.isArray(jsonData['heatpump extra])) {"  
+  "     if (jsonData?.['heatpump extra'] && Array.isArray(jsonData['heatpump extra'])) {"  
   "       const tableBody = document.getElementById('heishavalues');"  
-  "       jsonData['heatpump extra].forEach(item => {"
+  "       jsonData['heatpump extra'].forEach(item => {"
   "         const row = document.createElement('tr');"
   "         for (const key in item) {"
   "           if (Object.hasOwn(item,key)) {"