diff -u b/core/modules/taxonomy/migration_templates/d6_i18n_taxonomy_vocabulary.yml b/core/modules/taxonomy/migration_templates/d6_i18n_taxonomy_vocabulary.yml
--- b/core/modules/taxonomy/migration_templates/d6_i18n_taxonomy_vocabulary.yml
+++ b/core/modules/taxonomy/migration_templates/d6_i18n_taxonomy_vocabulary.yml
@@ -24,0 +25,3 @@
+migration_dependencies:
+  required:
+    - d6_taxonomy_vocabulary
diff -u b/core/modules/taxonomy/src/Plugin/migrate/source/d6/I18nTaxonomyVocabulary.php b/core/modules/taxonomy/src/Plugin/migrate/source/d6/I18nTaxonomyVocabulary.php
--- b/core/modules/taxonomy/src/Plugin/migrate/source/d6/I18nTaxonomyVocabulary.php
+++ b/core/modules/taxonomy/src/Plugin/migrate/source/d6/I18nTaxonomyVocabulary.php
@@ -52,7 +52,8 @@
       'vid' => $this->t('The vocabulary ID.'),
       'language' => $this->t('Language for this field.'),
       'property' => $this->t('Name of property being translated.'),
-      'translation' => $this->t('Translation of either the title or explanation.'));
+      'translation' => $this->t('Translation of either the title or explanation.')
+    );
   }
 
   /**