diff --git a/atreal_openads/models.py b/atreal_openads/models.py
index a3b3589..36c2946 100644
--- a/atreal_openads/models.py
+++ b/atreal_openads/models.py
@@ -1357,8 +1357,10 @@ class AtrealOpenads(BaseResource, HTTPResource, BaseModel):
                     courrier_type = 'CUb - REFUS'
 
         elif type_dossier == 'DP':
-            courrier_type = 'decision_non_opposition_DP'
-            if specific == 'annulation':
+            courrier_type = 'decision_nom_opposition_sr'
+            if specific == 'reserves':
+                courrier_type = 'decision_non_opposition_DP'
+            elif specific == 'annulation':
                 courrier_type = 'arrete_annulation_DP'
             elif specific == 'prolongation':
                 courrier_type = 'arrete_prorogation_DP'