diff --git a/static/crossroad.html b/static/crossroad.html
index 9c7f724..04b0a4a 100644
--- a/static/crossroad.html
+++ b/static/crossroad.html
@@ -91,7 +91,7 @@ Unchecking this is not recommended, and this option only exists for exceptional
                     <label for="instanceSoftware">Instance software</label>
                     <br>
                     <select id="instanceSoftware" type="text" name="instanceSoftware" required>
-                        <option value="">(Please select)</option>
+                        <option value="" disabled>(Please select)</option>
                     </select>
                 </div>
                 <div class="half-width flex-row-reverse">