diff --git a/src/app/services/internationalisation.service.ts b/src/app/services/internationalisation.service.ts
index d8e1359e25c9f042de1ee468daa4b8a0ed342808..b3b0200e11a701ad08d65991fe15c71ff294024d 100644
--- a/src/app/services/internationalisation.service.ts
+++ b/src/app/services/internationalisation.service.ts
@@ -192,8 +192,7 @@ export class I18nService extends Observable implements Observer {
 
         // replace "FORM_ID_X" by form name in current session, if any
         m = m.replace(/FORM_ID_(\w{6})/g, (match, p1) => {
-            // cannot inject FormulaireService => cyclic dependency :/
-            const form = ServiceFactory.instance.formulaireService.getFormulaireFromNubId(p1);
+            const form = ServiceFactory.formulaireService.getFormulaireFromNubId(p1); // cannot inject FormulaireService => cyclic dependency :/
             let formName = "**UNKNOWN_FORM**";
             if (form !== undefined) {
                 formName = form.calculatorName;