diff --git a/templates/adblock.php b/templates/adblock.php
index 34ad4ebe..103620e2 100755
--- a/templates/adblock.php
+++ b/templates/adblock.php
@@ -31,7 +31,8 @@
             <?php echo CSRFTokenFieldTag() ?>
             <!-- Nav tabs -->
             <ul class="nav nav-tabs">
-                <li class="nav-item"><a class="nav-link active" id="clienttab" href="#adblocklistsettings" data-toggle="tab"><?php echo _("Blocklist settings"); ?></a></li>
+                <li class="nav-item"><a class="nav-link active" id="blocklisttab" href="#adblocklistsettings" data-toggle="tab"><?php echo _("Blocklist settings"); ?></a></li>
+                <li class="nav-item"><a class="nav-link" id="customtab" href="#adblockcustom" data-toggle="tab"><?php echo _("Custom blocklist"); ?></a></li>
                 <li class="nav-item"><a class="nav-link" id="logoutputtab" href="#adblocklogfileoutput" data-toggle="tab"><?php echo _("Logging"); ?></a></li>
             </ul>
 
@@ -39,6 +40,7 @@
             <div class="tab-content">
               <?php echo renderTemplate("adblock/general", $__template_data) ?>
               <?php echo renderTemplate("adblock/stats", $__template_data) ?>
+              <?php echo renderTemplate("adblock/custom", $__template_data) ?>
               <?php echo renderTemplate("adblock/logging", $__template_data) ?>
             </div><!-- /.tab-content -->
 
diff --git a/templates/adblock/custom.php b/templates/adblock/custom.php
new file mode 100644
index 00000000..8701cdb0
--- /dev/null
+++ b/templates/adblock/custom.php
@@ -0,0 +1,33 @@
+<!-- logging tab -->
+<div class="tab-pane fade" id="adblockcustom">
+  <h4 class="mt-3"><?php echo _("Custom blocklist"); ?></h4>
+    <div class="row">
+      <div class="col-md-6">
+        <div class="input-group">
+          <input type="hidden" name="adblock-custom-enable" value="0">
+          <div class="custom-control custom-switch">
+            <input class="custom-control-input" id="adblock-custom-enable" type="checkbox" name="adblock-custom-enable" value="1" <?php echo $custom_enabled ? ' checked="checked"' : "" ?> aria-describedby="adblock-description">
+          <label class="custom-control-label" for="adblock-custom-enable"><?php echo _("Enable custom blocklist") ?></label>
+          </div>
+        </div>
+        <p id="adblock-description">
+          <small><?php echo _("Define custom hosts to be blocked by entering an IPv4 or IPv6 address followed by any whitespace (spaces or tabs) and the host name.") ?></small>
+          <small><?php echo _("<b>IPv4 example:</b> 0.0.0.0 badhost.com") ?></small>
+          <div>
+            <small class="text-muted"><?php echo _("This option adds an <code>addn-hosts</code> directive to the dnsmasq configuration.") ?></small>
+          </div>
+        </p>
+      </div>
+    </div>
+    <div class="row">
+      <div class="form-group col-md-8">
+      <?php
+      $adblock_custom = file_get_contents(RASPI_ADBLOCK_LISTPATH .'custom.txt');
+      if (strlen($adblock_custom) == 0) {
+        $adblock_custom = _("Custom blocklist not defined");
+      }
+      echo '<textarea class="logoutput" name="adblock-custom-hosts">'.htmlspecialchars($adblock_custom, ENT_QUOTES).'</textarea>';
+      ?>
+      </div>
+  </div>
+</div><!-- /.tab-pane -->