diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index b0036b01ed4..a7d0669db22 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -1811,11 +1811,11 @@ function top_menu_user(User $user, Translate $langs)
 
     $btnUser = '
     <div id="topmenu-login-dropdown" class="userimg atoplogin dropdown user user-menu">
-        <a href="'.DOL_URL_ROOT.'/user/card.php?id='.$user->id.'" class="dropdown-toggle" data-toggle="dropdown">
+        <a href="'.DOL_URL_ROOT.'/user/card.php?id='.$user->id.'" class="dropdown-toggle login-dropdown-a" data-toggle="dropdown">
             '.$userImage.'
             <span class="hidden-xs maxwidth200 atoploginusername">'.dol_trunc($user->firstname ? $user->firstname : $user->login, 10).'</span>
-            <span class="fa fa-chevron-down" id="dropdown-icon-down"></span>
-            <span class="fa fa-chevron-up hidden" id="dropdown-icon-up"></span>
+            <span class="fa fa-chevron-down login-dropdown-btn" id="dropdown-icon-down"></span>
+            <span class="fa fa-chevron-up login-dropdown-btn hidden" id="dropdown-icon-up"></span>
         </a>
         <div class="dropdown-menu">
             <!-- User image -->
diff --git a/htdocs/theme/eldy/dropdown.inc.php b/htdocs/theme/eldy/dropdown.inc.php
index 50a042d1390..b20db935154 100644
--- a/htdocs/theme/eldy/dropdown.inc.php
+++ b/htdocs/theme/eldy/dropdown.inc.php
@@ -1,9 +1,9 @@
 <?php
 if (! defined('ISLOADEDBYSTEELSHEET')) die('Must be call by steelsheet'); ?>
-/* <style type="text/css" > */
+
 /*
- Dropdown
-*/
+ * Dropdown
+ */
 
 .open>.dropdown-menu{ /*, #topmenu-login-dropdown:hover .dropdown-menu*/
     display: block;
diff --git a/htdocs/theme/md/dropdown.inc.php b/htdocs/theme/md/dropdown.inc.php
new file mode 100644
index 00000000000..8d38df188f3
--- /dev/null
+++ b/htdocs/theme/md/dropdown.inc.php
@@ -0,0 +1,18 @@
+<?php
+if (! defined('ISLOADEDBYSTEELSHEET')) die('Must be call by steelsheet'); ?>
+
+/*
+ * Dropdown
+ */
+
+/* Not supported yet by this theme */
+
+#dropdown-icon-up, #dropdown-icon-down, .login-dropdown-btn {
+	display: none !important;
+}
+
+/* Disable the hover underline on the login */
+a.login-dropdown-a:hover, a.login-dropdown-a span:hover {
+	text-decoration: none !important;
+	cursor: default;
+}
\ No newline at end of file
diff --git a/htdocs/theme/md/style.css.php b/htdocs/theme/md/style.css.php
index 6e569fa93d3..1ef5417b4c3 100644
--- a/htdocs/theme/md/style.css.php
+++ b/htdocs/theme/md/style.css.php
@@ -5808,8 +5808,10 @@ border-top-right-radius: 6px;
 
 <?php if (! defined('DISABLE_FONT_AWSOME') && empty($conf->global->MAIN_DISABLE_FONT_AWESOME_5)) { ?>
         <?php include dol_buildpath($path.'/theme/'.$theme.'/main_menu_fa_icons.inc.php', 0); ?>
-<?php } ?>
+<?php }
+
+include dol_buildpath($path.'/theme/'.$theme.'/dropdown.inc.php', 0);
+
 
 
-<?php
 if (is_object($db)) $db->close();