diff --git a/src/app/services/internationalisation.service.ts b/src/app/services/internationalisation.service.ts
index ba7e4cf84633d4bdf079f7bde4ca5b3bd6eb8023..ea1bec8c3d563f2e11b1a8cfdbf45ae95c67100f 100644
--- a/src/app/services/internationalisation.service.ts
+++ b/src/app/services/internationalisation.service.ts
@@ -63,7 +63,7 @@ export class I18nService extends Observable implements Observer {
         /** excluded calculators */
         const childCalculatorType: CalculatorType[] = [
             CalculatorType.Section, CalculatorType.Structure, CalculatorType.CloisonAval, CalculatorType.YAXN,
-            CalculatorType.LechaptCalmon
+            CalculatorType.LechaptCalmon, CalculatorType.PressureLossLaw
         ];
 
         // ensure 2-letter language code