diff --git a/data/config.html b/data/config.html
index 9f40f01..6a7cf8e 100644
--- a/data/config.html
+++ b/data/config.html
@@ -146,7 +146,7 @@ $(document).ready(function() {
        if (d.success) {
          alert('Updated config');
        } else {
-         alert("Error: " + d.Error);
+         alert("Error: " + d.error);
        }
      });