diff --git a/apps/tag/models.py b/apps/tag/models.py
index 297afc0f..b8abce59 100644
--- a/apps/tag/models.py
+++ b/apps/tag/models.py
@@ -109,7 +109,7 @@ class TagCategoryQuerySet(models.QuerySet):
 
     def by_product_type(self, index_name):
         """Filter by product type index name."""
-        return self.filter(product_types__index_name=index_name)
+        return self.filter(tags__products__product_type__index_name=index_name)
 
     def with_tags(self, switcher=True):
         """Filter by existing tags."""
diff --git a/project/settings/local.py b/project/settings/local.py
index 605a98c9..f9a096fe 100644
--- a/project/settings/local.py
+++ b/project/settings/local.py
@@ -80,11 +80,11 @@ LOGGING = {
         'py.warnings': {
             'handlers': ['console'],
         },
-        # 'django.db.backends': {
-        #     'handlers': ['console', ],
-        #     'level': 'DEBUG',
-        #     'propagate': False,
-        # },
+        'django.db.backends': {
+            'handlers': ['console', ],
+            'level': 'DEBUG',
+            'propagate': False,
+        },
     }
 }