diff --git a/app/lib/api_entreprise/exercices_adapter.rb b/app/lib/api_entreprise/exercices_adapter.rb
index 1bdb961f3..b7d7c1d29 100644
--- a/app/lib/api_entreprise/exercices_adapter.rb
+++ b/app/lib/api_entreprise/exercices_adapter.rb
@@ -4,7 +4,7 @@ class ApiEntreprise::ExercicesAdapter
     @procedure_id = procedure_id
   end
 
-  def to_params
+  def to_array
     data_source[:exercices].map do |exercice|
       exercice.slice(*attr_to_fetch)
     end
diff --git a/app/services/siret_service.rb b/app/services/siret_service.rb
index 797420935..3c19a5f34 100644
--- a/app/services/siret_service.rb
+++ b/app/services/siret_service.rb
@@ -10,7 +10,7 @@ class SIRETService
       params = etablissement.to_params
         .merge(entreprise.to_params.map { |k,v| ["entreprise_#{k}", v] }.to_h)
         .merge(association.to_params&.map { |k,v| ["association_#{k}", v] }.to_h)
-        .merge(exercices_attributes: exercices.to_params)
+        .merge(exercices_attributes: exercices.to_array)
 
       # This is to fill legacy models and relationships
       if dossier.present?
diff --git a/spec/lib/api_entreprise/exercices_adapter_spec.rb b/spec/lib/api_entreprise/exercices_adapter_spec.rb
index 9e9d29bb8..591a8e395 100644
--- a/spec/lib/api_entreprise/exercices_adapter_spec.rb
+++ b/spec/lib/api_entreprise/exercices_adapter_spec.rb
@@ -3,14 +3,14 @@ require 'spec_helper'
 describe ApiEntreprise::ExercicesAdapter do
   let(:siret) { '41816609600051' }
   let(:procedure_id) { 11 }
-  subject { described_class.new(siret, procedure_id).to_params }
+  subject { described_class.new(siret, procedure_id).to_array }
 
   before do
     stub_request(:get, /https:\/\/staging.entreprise.api.gouv.fr\/v2\/exercices\/.*token=/)
       .to_return(body: File.read('spec/support/files/exercices.json', status: 200))
   end
 
-  it '#to_params class est une Hash ?' do
+  it '#to_array class est un Array ?' do
     expect(subject).to be_an_instance_of(Array)
   end