diff -u b/core/modules/migrate/src/MigrateExecutable.php b/core/modules/migrate/src/MigrateExecutable.php
--- b/core/modules/migrate/src/MigrateExecutable.php
+++ b/core/modules/migrate/src/MigrateExecutable.php
@@ -293,7 +293,7 @@
       if (($return = $this->checkStatus()) != MigrationInterface::RESULT_COMPLETED) {
         break;
       }
-      
+
       // If anyone has requested we stop, return the requested result.
       if ($interruption_return = $this->migration->getInterruptionResult()) {
         $return = $interruption_return;