diff --git a/clients.php b/clients.php
index 1b1b04f8..49cc56d2 100644
--- a/clients.php
+++ b/clients.php
@@ -355,7 +355,7 @@ $num_rows = mysqli_fetch_row(mysqli_query($mysqli, "SELECT FOUND_ROWS()"));
                         ?>
                         <tr>
                             <td>
-                                <a class="font-weight-bold" href="client_overview.php?client_id=<?php echo $client_id; ?>"><?php echo $client_name; ?> <small class='text-muted'>[ <?php echo $client_id; ?> ]</small></a>
+                                <a data-toggle="tooltip" data-placement="right" title="Client ID: <?php echo $client_id; ?>" class="font-weight-bold" href="client_overview.php?client_id=<?php echo $client_id; ?>"><?php echo $client_name; ?></a>
 
                                 <?php
                                 if (!empty($client_type)) {
diff --git a/inc_client_top_head.php b/inc_client_top_head.php
index 1065d034..6cf5fdb0 100644
--- a/inc_client_top_head.php
+++ b/inc_client_top_head.php
@@ -2,7 +2,7 @@
     <div class="card-body py-2">
         <div class="row">
             <div class="col">
-                <a href="#" data-toggle="collapse" data-target="#clientHeader"><h4 class="text-secondary"><strong><?php echo $client_name; ?></strong> <?php if ($client_archived_at) { echo "(archived)"; } ?> <small>[ <?php echo $client_id; ?> ]</small></h4></a>
+                <a href="#" data-toggle="collapse" data-target="#clientHeader"><h4 class="text-secondary" data-toggle="tooltip" data-placement="right" title="Client ID: <?php echo $client_id; ?>"><strong><?php echo $client_name; ?></strong> <?php if ($client_archived_at) { echo "(archived)"; } ?></h4></a>
             </div>
             <div class="col">
                 <?php if ($session_user_role == 3) { ?>