diff --git a/src/pipe_flow/pl_lechaptcalmon.ts b/src/pipe_flow/pl_lechaptcalmon.ts
index cec5f834fac229078c0c19853be18b56e893ebd2..f9e975caad18da42b32b96807cf622c8bd831819 100644
--- a/src/pipe_flow/pl_lechaptcalmon.ts
+++ b/src/pipe_flow/pl_lechaptcalmon.ts
@@ -76,6 +76,7 @@ export class PL_LechaptCalmon extends PressureLossLaw implements Observer {
         this._props.addObserver(this);
         this.material = LCMaterial.PVCPolyethylene;
         this.calculatedParam = prms.J;
+        this._intlType = "LechaptCalmon";
     }
 
     public static get materials() {