diff --git a/public_html/gmap.html b/public_html/gmap.html
index 973d0fc..18648f0 100644
--- a/public_html/gmap.html
+++ b/public_html/gmap.html
@@ -157,6 +157,13 @@
             This is most likely an error in receiving or decoding.<br>
             Please do not call the local authorities, they already know about it if it is a valid squawk.
 		</div>
+
+		<div id="update_error" class="hidden">
+                  <b>Problem fetching data from dump1090.</b><br>
+                  <span id="update_error_detail"></span><br>
+                  The displayed map data will be out of date.
+                </div>
+
 		<div id="container_splitter"></div>
 	</body>
 </html>