diff -u b/src/Form/JobItemForm.php b/src/Form/JobItemForm.php
--- b/src/Form/JobItemForm.php
+++ b/src/Form/JobItemForm.php
@@ -201,13 +201,13 @@
     $source_ui = $this->sourceManager->createUIInstance($item->getPlugin());
     $source_ui->reviewFormValidate($form, $form_state, $item);
     // Invoke the validation method on the translator controller (if available).
-    if (!$item->hasTranslator()) {
-      $form_state->setErrorByName('accept', $this->t('The job item could not be saved because the job does not have a translator assigned.'));
-
-    if ($item->getTranslator()) {
+    if ($item->hasTranslator()) {
       $translator_ui = $this->translatorManager->createUIInstance($item->getTranslator()->getPluginId());
       $translator_ui->reviewFormValidate($form, $form_state, $item);
     }
+    else {
+      $form_state->setErrorByName('accept', $this->t('The job item could not be saved because the job does not have a translator assigned.'));
+    }
     foreach ($form_state->getValues() as $key => $value) {
       if (is_array($value) && isset($value['translation'])) {
         // If there is an empty field then sets and error to fill it.