diff --git a/clients.php b/clients.php
index b0ddcae8..d2f0f24c 100644
--- a/clients.php
+++ b/clients.php
@@ -103,7 +103,7 @@ $num_rows = mysqli_fetch_row(mysqli_query($mysqli, "SELECT FOUND_ROWS()"));
                         <th><a class="text-dark" href="?<?php echo $url_query_strings_sort; ?>&sort=client_name&order=<?php echo $disp; ?>">Name</a></th>
                         <th><a class="text-dark" href="?<?php echo $url_query_strings_sort; ?>&sort=location_city&order=<?php echo $disp; ?>">Primary address </a></th>
                         <th><a class="text-dark" href="?<?php echo $url_query_strings_sort; ?>&sort=contact_name&order=<?php echo $disp; ?>">Primary contact</a></th>
-                        <?php if ($session_user_role == 3 || $session_user_role == 1 && $config_module_enable_accounting == 1) { ?> <th class="text-right">Billing</th> <?php } ?>
+                        <?php if (($session_user_role == 3 || $session_user_role == 1) && $config_module_enable_accounting == 1) { ?> <th class="text-right">Billing</th> <?php } ?>
                         <?php if ($session_user_role == 3) { ?> <th class="text-center">Action</th> <?php } ?>
                     </tr>
                     </thead>
@@ -253,7 +253,7 @@ $num_rows = mysqli_fetch_row(mysqli_query($mysqli, "SELECT FOUND_ROWS()"));
                             </td>
 
                             <!-- Show Billing for Admin/Accountant roles only and if accounting module is enabled -->
-                            <?php if ($session_user_role == 3 || $session_user_role == 1 && $config_module_enable_accounting == 1) { ?>
+                            <?php if (($session_user_role == 3 || $session_user_role == 1) && $config_module_enable_accounting == 1) { ?>
                                 <td class="text-right">
                                     <div class="mt-1">
                                         <span class="text-secondary">Balance</span> <span class="<?php echo $balance_text_color; ?>"><?php echo numfmt_format_currency($currency_format, $balance, $session_company_currency); ?></span>