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-rw-r--r--app/models/referential.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/app/models/referential.rb b/app/models/referential.rb
index 509e0412f..09c2e7d34 100644
--- a/app/models/referential.rb
+++ b/app/models/referential.rb
@@ -51,7 +51,9 @@ class Referential < ActiveRecord::Base
belongs_to :stop_area_referential
validates_presence_of :stop_area_referential
has_many :stop_areas, through: :stop_area_referential
+
belongs_to :workbench
+ delegate :workgroup, to: :workbench, allow_nil: true
belongs_to :referential_suite