diff --git a/ui/ui/bandwidth.tpl b/ui/ui/bandwidth.tpl
index 4a09b630..85eb2702 100644
--- a/ui/ui/bandwidth.tpl
+++ b/ui/ui/bandwidth.tpl
@@ -41,7 +41,7 @@
                                                     <td>{$ds['rate_up']} {$ds['rate_up_unit']}</td>
                                                     <td>
                                                         <a href="{$_url}bandwidth/edit/{$ds['id']}" class="btn btn-sm btn-warning">{$_L['Edit']}</a>
-                                                        <a href="{$_url}bandwidth/delete/{$ds['id']}" id="{$ds['id']}" class="btn btn-danger btn-sm" onclick="confirm('{$_L['Delete']}?')" >{$_L['Delete']}</a>
+                                                        <a href="{$_url}bandwidth/delete/{$ds['id']}" id="{$ds['id']}" class="btn btn-danger btn-sm" onclick="return confirm('{$_L['Delete']}?')" >{$_L['Delete']}</a>
                                                     </td>
                                                 </tr>
                                             {/foreach}
diff --git a/ui/ui/customers.tpl b/ui/ui/customers.tpl
index 22fd1191..a7924686 100644
--- a/ui/ui/customers.tpl
+++ b/ui/ui/customers.tpl
@@ -58,7 +58,7 @@
                                             class="btn btn-warning btn-sm">{$_L['Edit']}</a>
                                         <a href="{$_url}customers/delete/{$ds['id']}" id="{$ds['id']}"
                                             class="btn btn-danger btn-sm"
-                                            onclick="confirm('{$_L['Delete']}?')">{$_L['Delete']}</a>
+                                            onclick="return confirm('{$_L['Delete']}?')">{$_L['Delete']}</a>
                                     </td>
                                 </tr>
                             {/foreach}
diff --git a/ui/ui/users.tpl b/ui/ui/users.tpl
index 80f3f11d..a3757715 100644
--- a/ui/ui/users.tpl
+++ b/ui/ui/users.tpl
@@ -49,7 +49,7 @@
                                             class="btn btn-warning btn-sm">{$_L['Edit']}</a>
                                         {if ($_admin['username']) neq ($ds['username'])}
                                             <a href="{$_url}settings/users-delete/{$ds['id']}" id="{$ds['id']}"
-                                                class="btn btn-danger btn-sm" onclick="confirm('{$_L['Delete']}?')">{$_L['Delete']}</a>
+                                                class="btn btn-danger btn-sm" onclick="return confirm('{$_L['Delete']}?')">{$_L['Delete']}</a>
                                         {/if}
                                     </td>
                                 </tr>
diff --git a/ui/ui/voucher.tpl b/ui/ui/voucher.tpl
index a607be45..22e28dbe 100644
--- a/ui/ui/voucher.tpl
+++ b/ui/ui/voucher.tpl
@@ -61,7 +61,7 @@
                                     <td align="center">{if $ds['user'] eq '0'} - {else} {$ds['user']} {/if}</td>
                                     <td>
                                         <a href="{$_url}prepaid/voucher-delete/{$ds['id']}" id="{$ds['id']}"
-                                            class="btn btn-danger btn-sm" onclick="confirm('{$_L['Delete']}?')">{$_L['Delete']}</a>
+                                            class="btn btn-danger btn-sm" onclick="return confirm('{$_L['Delete']}?')">{$_L['Delete']}</a>
                                     </td>
                                 </tr>
                             {/foreach}