diff --git a/classes/topmenu.inc b/classes/topmenu.inc
index ff17b65..5c052dd 100644
--- a/classes/topmenu.inc
+++ b/classes/topmenu.inc
@@ -59,7 +59,7 @@
 
                 <li><a><img alt="dev" src="./resources/map/development_32px.png" width="24" height="24" border="0">&nbsp;<?=$t->tr("development")?></a>
                     <ul class="sub_menu">
-                        <li><a href="http://testdepth.openseamap.org" target="_blank">&nbsp;<?=$t->tr("water_depth")?></a></li>
+                        <li><a href="https://depth.openseamap.org/" target="_blank">&nbsp;<?=$t->tr("water_depth")?></a></li>
                     </ul>
                 </li>
             </ul>