diff --git a/src/Entity/Base/AbstractStructuralDBElement.php b/src/Entity/Base/AbstractStructuralDBElement.php
index 4ef2ab6d..2cb8506d 100644
--- a/src/Entity/Base/AbstractStructuralDBElement.php
+++ b/src/Entity/Base/AbstractStructuralDBElement.php
@@ -107,6 +107,19 @@ abstract class AbstractStructuralDBElement extends AttachmentContainingDBElement
         $this->parameters = new ArrayCollection();
     }
 
+    public function __clone()
+    {
+        if ($this->id) {
+            //Deep clone parameters
+            $parameters = $this->parameters;
+            $this->parameters = new ArrayCollection();
+            foreach ($parameters as $parameter) {
+                $this->addParameter(clone $parameter);
+            }
+        }
+        parent::__clone();
+    }
+
     /******************************************************************************
      * StructuralDBElement constructor.
      *****************************************************************************/
diff --git a/src/Entity/Parts/Part.php b/src/Entity/Parts/Part.php
index 3bfc3195..7501ff27 100644
--- a/src/Entity/Parts/Part.php
+++ b/src/Entity/Parts/Part.php
@@ -165,6 +165,13 @@ class Part extends AttachmentContainingDBElement
             foreach ($orderdetails as $orderdetail) {
                 $this->addOrderdetail(clone $orderdetail);
             }
+
+            //Deep clone parameters
+            $parameters = $this->parameters;
+            $this->parameters = new ArrayCollection();
+            foreach ($parameters as $parameter) {
+                $this->addParameter(clone $parameter);
+            }
         }
         parent::__clone();
     }