diff --git a/core/modules/content_moderation/src/Entity/ContentModerationState.php b/core/modules/content_moderation/src/Entity/ContentModerationState.php
index 5b1c250..636483c 100644
--- a/core/modules/content_moderation/src/Entity/ContentModerationState.php
+++ b/core/modules/content_moderation/src/Entity/ContentModerationState.php
@@ -61,7 +61,6 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
       ->setDescription(t('The workflow the moderation state is in.'))
       ->setSetting('target_type', 'workflow')
       ->setRequired(TRUE)
-      ->setTranslatable(TRUE)
       ->setRevisionable(TRUE);
 
     $fields['moderation_state'] = BaseFieldDefinition::create('string')
diff --git a/core/modules/content_moderation/src/EntityOperations.php b/core/modules/content_moderation/src/EntityOperations.php
index 3f66100..a0f0564 100644
--- a/core/modules/content_moderation/src/EntityOperations.php
+++ b/core/modules/content_moderation/src/EntityOperations.php
@@ -197,6 +197,8 @@ protected function updateOrCreateFromEntity(EntityInterface $entity) {
       if ($content_moderation_state->language()->getId() !== $entity_langcode) {
         $content_moderation_state = $content_moderation_state->getTranslation($entity_langcode);
       }
+      // Tranlsations should be using the same workflow.
+      assert($content_moderation_state->workflow->target_id === $workflow->id());
     }
 
     // Create the ContentModerationState entity for the inserted entity.