diff --git a/src/parameters.ts b/src/parameters.ts
index 298d8d212fbf90b44b29198862dd52cfda825456..895526e9ceae337e27c02e3dd4d1ed44cc4b6d2e 100644
--- a/src/parameters.ts
+++ b/src/parameters.ts
@@ -1,5 +1,6 @@
 import { IParamsEquation } from "./param";
 import { ConduiteDistribParams, ConduiteDistrib } from "./cond_distri";
+import { LechaptCalmonParams, LechaptCalmon } from "./lechaptcalmon";
 
 export class ComputeNodeParameters {
     private static _instance: ComputeNodeParameters;
@@ -17,7 +18,12 @@ export class ComputeNodeParameters {
             let cn = new ConduiteDistribParams(undefined, undefined, undefined, undefined, undefined);
             let n = new ConduiteDistrib(cn); // pour initialiser la calculabilité des paramètres
             return cn;
-        }
+        } else
+            if (name == "lechapt_calmon") {
+                let cn = new LechaptCalmonParams(undefined, undefined, undefined, undefined, undefined, undefined, undefined);
+                let n = new LechaptCalmon(cn); // pour initialiser la calculabilité des paramètres
+                return cn;
+            }
 
         return undefined;
     }