diff --git a/app/models/procedure.rb b/app/models/procedure.rb
index 47ab405a8..b0cea15af 100644
--- a/app/models/procedure.rb
+++ b/app/models/procedure.rb
@@ -911,7 +911,7 @@ class Procedure < ApplicationRecord
   end
 
   def extend_conservation_for_dossiers
-    return if previous_changes.include?(:duree_conservation_dossiers_dans_ds)
+    return if !previous_changes.include?(:duree_conservation_dossiers_dans_ds)
     before, after = duree_conservation_dossiers_dans_ds_previous_change
     return if [before, after].any?(&:nil?)
     return if (after - before).negative?
diff --git a/spec/models/procedure_spec.rb b/spec/models/procedure_spec.rb
index 516d54eda..fbe39bd11 100644
--- a/spec/models/procedure_spec.rb
+++ b/spec/models/procedure_spec.rb
@@ -1687,7 +1687,7 @@ describe Procedure do
 
     context 'when duree_conservation_dossiers_dans_ds increases' do
       it 'calls extend_conservation_for_dossiers' do
-        expect(ResetExpiringDossiersJob).not_to receive(:perform_later)
+        expect(ResetExpiringDossiersJob).to receive(:perform_later)
         procedure.update(duree_conservation_dossiers_dans_ds: duree_conservation_dossiers_dans_ds + 1)
       end
     end