diff --git a/src/Model/HydraulicStructures/Basic/HydraulicStructures.py b/src/Model/HydraulicStructures/Basic/HydraulicStructures.py
index 4bbbfba3..706aea66 100644
--- a/src/Model/HydraulicStructures/Basic/HydraulicStructures.py
+++ b/src/Model/HydraulicStructures/Basic/HydraulicStructures.py
@@ -81,13 +81,13 @@ class BasicHS(SQLSubModel):
     @classmethod
     def _get_ctor_from_type(cls, t):
         from Model.HydraulicStructures.Basic.Types import (
-            NotDefined, Dummy,
+            BHS_types, NotDefined,
         )
 
         res = NotDefined
 
-        if t == "DU":
-            res = Dummy
+        if t in BHS_types.keys():
+            res = BHS_types[t]
 
         return res