diff --git a/srv/static/index.html b/srv/static/index.html
index 3c84973..8020041 100644
--- a/srv/static/index.html
+++ b/srv/static/index.html
@@ -216,6 +216,7 @@
             </div>
             <div class="form-row">
               <label for="build-action-package-names">Package names:</label>
+              <input type="button" value="Clear" style="float: right;" onclick="this.form.elements['package-names'].value = ''" />
               <br />
               <textarea name="package-names" id="build-action-package-names" style="box-sizing: border-box; width: 100%; height: 50px;"></textarea>
             </div>