diff --git a/Layout/default/Order/Form.php b/Layout/default/Order/Form.php
index bbf80ea0d..2d496715d 100644
--- a/Layout/default/Order/Form.php
+++ b/Layout/default/Order/Form.php
@@ -444,6 +444,7 @@
                         <div class="col-2">
                           <label class="form-label" for="billing_delay-<?=$product->id?>" >Verzögerter Verrechnungsstart</label>
                           <input type="text" class="form-control" name="products[<?=$product->id?>][billing_delay]" id="billing_delay-<?=$product->id?>" value="<?=$product->billing_delay?>" placeholder="Freimonate" />
+                          <small>Max. 6 Monate</small>
                         </div>
                         
                       </div>
@@ -521,6 +522,7 @@
                         <div class="col-2">
                           <label class="form-label" for="billing_delay-new" >Verzögerter Verrechnungsstart</label>
                           <input type="text" class="form-control" name="products[new][billing_delay]" id="billing_delay-new" value="" placeholder="Freimonate" />
+                          <small>Max. 6 Monate</small>
                         </div>
                         
                       </div>
diff --git a/application/Order/OrderController.php b/application/Order/OrderController.php
index 558e61e47..af07858c6 100644
--- a/application/Order/OrderController.php
+++ b/application/Order/OrderController.php
@@ -529,6 +529,9 @@ class OrderController extends mfBaseController {
         $product_data["price"] = Layout::commaToDot($p["price"]);
         $product_data["price_setup"] = Layout::commaToDot($p["price_setup"]);
         $product_data["billing_delay"] = ($p["billing_delay"]) ? $p["billing_delay"] : 0;
+        if($product_data["billing_delay"] > 6) {
+          $product_data["billing_delay"] = 6;
+        }
         $product_data["billing_period"] = $p["billing_period"];