diff --git a/src/app/components/param-field-line/param-field-line.component.ts b/src/app/components/param-field-line/param-field-line.component.ts
index f1f752819746c159713933a24ed9d65ada502db6..0caedab2e20df1703989280d706c8b859991968f 100644
--- a/src/app/components/param-field-line/param-field-line.component.ts
+++ b/src/app/components/param-field-line/param-field-line.component.ts
@@ -4,7 +4,7 @@ import { InternationalisationService } from "../../services/internationalisation
 import { NgParameter, ParamRadioConfig } from "../../formulaire/ngparam";
 import { NgParamInputComponent } from "../ngparam-input/ngparam-input.component";
 import { ServiceFactory } from "../../services/service-factory";
-import { ParamValueMode } from "jalhyd";
+import { ParamValueMode, CalculatorType } from "jalhyd";
 import { FormulaireService } from "../../services/formulaire/formulaire.service";
 
 @Component({
@@ -137,7 +137,9 @@ export class ParamFieldLineComponent implements OnChanges {
     * calcule la présence du radio "paramètre lié" (importé d'une autre calculette)
     */
     private hasRadioLink(): boolean {
-        return this._formService.formulaires.length > 1;
+        if (this._formService.formulaires.length > 0)
+            return this._formService.formulaires.length > 1 || this._formService.formulaires[0].calculatorType == CalculatorType.ParallelStructure;
+        return false;
     }
 
     /**