diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4482a5ad67..6aa884f92b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ### Features
 - [#2109](https://github.com/poanetwork/blockscout/pull/2109) - use bigger updates instead of `Multi` transactions in BlocksTransactionsMismatch
 - [#2075](https://github.com/poanetwork/blockscout/pull/2075) - add blocks cache
+- [#2151](https://github.com/poanetwork/blockscout/pull/2151) - hide dropdown menu then other networks list is empty
 
 ### Fixes
 - [#2155](https://github.com/poanetwork/blockscout/pull/2155) - fix pending transaction query
diff --git a/apps/block_scout_web/lib/block_scout_web/templates/layout/_topnav.html.eex b/apps/block_scout_web/lib/block_scout_web/templates/layout/_topnav.html.eex
index de88489330..73a92c7cfc 100644
--- a/apps/block_scout_web/lib/block_scout_web/templates/layout/_topnav.html.eex
+++ b/apps/block_scout_web/lib/block_scout_web/templates/layout/_topnav.html.eex
@@ -77,7 +77,7 @@
           </div>
         </li>
         <li class="nav-item dropdown nav-item-networks">
-          <a class="nav-link topnav-nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+          <a class="nav-link topnav-nav-link <%= if dropdown_nets() == [], do: "disabled", else: "dropdown-toggle" %>" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
             <span class="nav-link-icon">
               <%= render BlockScoutWeb.IconsView, "_active_icon.html" %>
             </span>