diff --git a/core/modules/migrate/src/Entity/Migration.php b/core/modules/migrate/src/Entity/Migration.php
index f4d51ce..66970a6 100644
--- a/core/modules/migrate/src/Entity/Migration.php
+++ b/core/modules/migrate/src/Entity/Migration.php
@@ -409,7 +409,7 @@ public function getSystemOfRecord() {
    * {@inheritdoc}
    */
   public function setSystemOfRecord($system_of_record) {
-    if ($system_of_record !== self::SOURCE && $system_of_record !== self::DESTINATION) {
+    if ($system_of_record !== static::SOURCE && $system_of_record !== static::DESTINATION) {
       throw new \InvalidArgumentException(String::format("The system-of-record '@systemofrecord' is not valid.", [
         '@systemofrecord' => $system_of_record,
       ]));