diff --git a/app/models/routing_engine.rb b/app/models/routing_engine.rb
index b08cc4bf8..385acda3b 100644
--- a/app/models/routing_engine.rb
+++ b/app/models/routing_engine.rb
@@ -1,6 +1,7 @@
 module RoutingEngine
   def self.compute(dossier)
     return if !dossier.procedure.feature_enabled?(:routing_rules)
+    return if dossier.forced_groupe_instructeur
 
     matching_groupe = dossier.procedure.groupe_instructeurs.active.reject(&:routing_to_configure?).find do |gi|
       gi.routing_rule&.compute(dossier.champs)