1 files changed, 6 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
index e7df073627..697915f3e9 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
@@ -229,6 +229,12 @@ This is not reliable and will be removed in the future.
           end
         end
 
+        class Enum < Type
+          def type_cast(value)
+            value.to_s
+          end
+        end
+
         class Hstore < Type
           def type_cast_for_write(value)
             ConnectionAdapters::PostgreSQLColumn.hstore_to_string value