diff --git a/core/modules/migrate/src/Entity/Migration.php b/core/modules/migrate/src/Entity/Migration.php
index 78a0605..7af0866 100644
--- a/core/modules/migrate/src/Entity/Migration.php
+++ b/core/modules/migrate/src/Entity/Migration.php
@@ -409,6 +409,8 @@ public function setProcess(array $process) {
    */
   public function setProcessOfProperty($field_name, $process) {
     $this->process[$field_name] = $process;
+    $this->process = $this->getProcessNormalized($this->process);
+    return $this;
   }
 
   /**
@@ -419,6 +421,7 @@ public function mergeProcessOfProperty($field_name, array $process) {
     //otherwise simply set it.
     if (isset($this->process[$field_name])) {
       $this->process = NestedArray::mergeDeepArray([$this->process, [$field_name => $process]], TRUE);
+      $this->process = $this->getProcessNormalized($this->process);
     }
     else {
       $this->setProcessOfProperty($field_name, $process);