diff --git a/app/models/product_category.rb b/app/models/product_category.rb
index 4039b88..901df33 100644
--- a/app/models/product_category.rb
+++ b/app/models/product_category.rb
@@ -7,7 +7,7 @@ class ProductCategory < Category
 
   scope :unique, :select => 'DISTINCT ON (path) categories.*'
   scope :by_enterprise, -> enterprise {
-    joins(:products).
+    distinct.joins(:products).
     where('products.profile_id = ?', enterprise.id)
   }
   scope :by_environment, -> environment {
--
libgit2 0.21.2