diff --git a/apps/tag/management/commands/add_tags.py b/apps/tag/management/commands/add_tags.py
index 89ee89a1..496cb85b 100644
--- a/apps/tag/management/commands/add_tags.py
+++ b/apps/tag/management/commands/add_tags.py
@@ -10,7 +10,9 @@ class Command(BaseCommand):
 
     def handle(self, *args, **kwargs):
 
-        existing_establishment = Establishment.objects.filter(old_id__isnull=False)
+        existing_establishment = Establishment.objects.filter(
+            old_id__isnull=False
+        )
         ESTABLISHMENT = 1
         SHOP = 2
         RESTAURANT = 3
@@ -52,7 +54,9 @@ class Command(BaseCommand):
 
                 # create Tag
                 for tag in key_value.metadata_set.filter(
-                        establishment__id__in=list(existing_establishment.values_list('old_id', flat=True))):
+                        establishment__id__in=list(
+                            existing_establishment.values_list('old_id', flat=True)
+                        )):
 
                     new_tag, _ = Tag.objects.get_or_create(
                         label={
@@ -63,7 +67,8 @@ class Command(BaseCommand):
                         value=tag.value,
                         category=tag_category,
                     )
-                    est = existing_establishment.get(old_id=tag.establishment_id)
-                    est.tags.add(new_tag)
-                    est.save()
-
+                    est = existing_establishment.filter(
+                        old_id=tag.establishment_id, tags__isnull=True).first()
+                    if est:
+                        est.tags.add(new_tag)
+                        est.save()