diff --git a/db/migrate/20200320082708_uniq_index_on_collections.rb b/db/migrate/20200320152708_uniq_index_on_collections.rb
similarity index 50%
rename from db/migrate/20200320082708_uniq_index_on_collections.rb
rename to db/migrate/20200320152708_uniq_index_on_collections.rb
index 30b55def4..65eecb309 100644
--- a/db/migrate/20200320082708_uniq_index_on_collections.rb
+++ b/db/migrate/20200320152708_uniq_index_on_collections.rb
@@ -1,6 +1,7 @@
 class UniqIndexOnCollections < ActiveRecord::Migration[5.2]
   def change
     remove_index :collections, [:container_type, :container_id]
-    add_index :collections, [:container_type, :container_id], unique: true
+    add_index :collections, [:container_type, :container_id]
+    add_index :collections, [:user_id, :container_type, :container_id], unique: true
   end
 end