diff --git a/src/pab/cloison_aval.ts b/src/pab/cloison_aval.ts
index abdc819ad783e84b3bc061ad3c1162c679fab278..645f1d8cf8ace39f6376891d6766b035def5ca94 100644
--- a/src/pab/cloison_aval.ts
+++ b/src/pab/cloison_aval.ts
@@ -1,3 +1,4 @@
+import { CalculatorType, ParamsEquation } from "../index";
 import { ParamCalculability } from "../param/param-definition";
 import { ParallelStructure } from "../structure/parallel_structure";
 import { loiAdmissiblesCloisonAval, LoiDebit } from "../structure/structure_props";
@@ -9,6 +10,11 @@ export { ParallelStructureParams } from "../structure/parallel_structure_params"
 
 export class CloisonAval extends ParallelStructure {
 
+    constructor(prms: ParamsEquation, dbg: boolean = false) {
+        super(prms, dbg);
+        this._calcType = CalculatorType.CloisonAval;
+    }
+
     /**
      * Return index structure of vanne levante
      */