diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 435edb9991e03f86e20ca90e8af49ad0d6820fa4..c7bd6a30ddc94d0e1e795d216b2c950234550d10 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -447,7 +447,7 @@ export class AppComponent implements OnInit, OnDestroy, Observer {
 
   // interface Observer
 
-  update(sender: any, data: any): void {
+  public update(sender: any, data: any): void {
     if (sender instanceof FormulaireService) {
       switch (data["action"]) {
         case "createForm":
diff --git a/src/app/components/calculator-list/calculator-list.component.ts b/src/app/components/calculator-list/calculator-list.component.ts
index f014d75c8e2b0e24febe6038a02b7c53b4f21d7a..de8820b9d6b603f8014550f6544952f978b35933 100644
--- a/src/app/components/calculator-list/calculator-list.component.ts
+++ b/src/app/components/calculator-list/calculator-list.component.ts
@@ -236,14 +236,14 @@ export class CalculatorListComponent implements OnInit {
 
     // interface Observer
 
-    update(sender: any, data: any): void {
+    public update(sender: any, data: any): void {
         if (sender instanceof I18nService) {
             // reload themes if language changed
             this.loadCalculatorsThemes();
         }
     }
 
-    ngOnInit() {
+    public ngOnInit() {
         this.loadCalculatorsThemes();
     }
 }
diff --git a/src/app/formulaire/definition/form-section.ts b/src/app/formulaire/definition/form-section.ts
index 77669213a882cff81572f0712589d834d11ca151..30cdd2c40d1ff917d5e731428632e24184689d2c 100644
--- a/src/app/formulaire/definition/form-section.ts
+++ b/src/app/formulaire/definition/form-section.ts
@@ -6,7 +6,7 @@ import { IObservable, Session, SectionNub } from "jalhyd";
 
 export class FormulaireSection extends FormulaireFixedVar {
 
-    update(sender: IObservable, data: any) {
+    public update(sender: IObservable, data: any) {
         super.update(sender, data);
         // changement de propriété du FieldSet contenant le select de choix du type de section
         if (sender instanceof FieldSet && sender.id === "fs_section" && data.action === "propertyChange") {