diff --git a/annotation/app/tasks/resources.py b/annotation/app/tasks/resources.py
index 686d7c87b..80d62d128 100644
--- a/annotation/app/tasks/resources.py
+++ b/annotation/app/tasks/resources.py
@@ -808,8 +808,10 @@ def finish_task(
         db, x_current_tenant, task.job_id, task_id, task.file_id, task.pages
     )
     # accumulate info about pages, validated/annotated by him
-    validated, failed, annotated, not_processed, *_ = accumulate_pages_info(
-        task.pages, revisions, unique_status=True
+    validated, failed, annotated, not_processed, categories, _ = (
+        accumulate_pages_info(
+            task.pages, revisions, unique_status=True
+        )
     )
     # if same pages were annotated and marked as failed
     # it means, that these pages are edited by validator
@@ -822,12 +824,13 @@ def finish_task(
     annotated = annotated.difference(validated)
 
     validate_user_actions(
-        task.is_validation,
-        failed,
-        annotated,
-        not_processed,
-        annotation_user,
-        validation_user,
+        is_validation=task.is_validation,
+        failed=failed,
+        annotated=annotated,
+        not_processed=not_processed,
+        categories=categories,
+        annotation_user=annotation_user,
+        validation_user=validation_user,
     )
     job = get_job(db, task.job_id, x_current_tenant)
     if task.is_validation:
diff --git a/annotation/app/tasks/services.py b/annotation/app/tasks/services.py
index 65976e12c..70ede8ac5 100644
--- a/annotation/app/tasks/services.py
+++ b/annotation/app/tasks/services.py
@@ -166,6 +166,7 @@ def validate_user_actions(
     failed: Set[int],
     annotated: Set[int],
     not_processed: Set[int],
+    categories: List[str],
     annotation_user: bool,
     validation_user: bool,
 ):
@@ -191,7 +192,7 @@ def validate_user_actions(
             "should be null.",
         )
 
-    if is_validation and not annotated and validation_user:
+    if is_validation and not (annotated or categories) and validation_user:
         raise HTTPException(
             status_code=400,
             detail="Validator did not edit any pages, "