diff --git a/src/app/formulaire/definition/form-definition.ts b/src/app/formulaire/definition/form-definition.ts
index 85656392cacfc0b289727e5f80d452017d648624..d499c62bc9fa7702d78a7f5d8ad96348b3e63c33 100644
--- a/src/app/formulaire/definition/form-definition.ts
+++ b/src/app/formulaire/definition/form-definition.ts
@@ -67,6 +67,11 @@ export abstract class FormulaireDefinition extends FormulaireNode implements Obs
 
     public set calculatorName(name: string) {
         this._calculatorName = name;
+        this.notifyObservers({
+            "action": "nameChanged",
+            "name": name
+        },
+            this)
     }
 
     public get jsonConfig(): {} {