core/modules/rest/src/Plugin/rest/resource/EntityResource.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/modules/rest/src/Plugin/rest/resource/EntityResource.php b/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
index b675cb6..e9910fd 100644
--- a/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
+++ b/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
@@ -246,7 +246,7 @@ public function patch(EntityInterface $original_entity, EntityInterface $entity
         }
 
         // Unchanged values for entity keys don't need access checking.
-        if (!$original_entity->get($field_name)->equals($field)) {
+        if ($original_entity->get($field_name)->equals($field)) {
           continue;
         }
         // It is not possible to set the language to NULL as it is automatically