diff --git a/src/app/formulaire/definition/form-prebarrage.ts b/src/app/formulaire/definition/form-prebarrage.ts
index f6bc246a71f0afbef840428da8f5f77db55b00ed..d791856acfe5a47a5c9780d4b88e4a5104dac066 100644
--- a/src/app/formulaire/definition/form-prebarrage.ts
+++ b/src/app/formulaire/definition/form-prebarrage.ts
@@ -1,4 +1,4 @@
-import { CalculatorType, PbBassin, PbCloison, IObservable, PreBarrage, VariatedDetails } from "jalhyd";
+import { CalculatorType, PbBassin, PbCloison, IObservable, PreBarrage, VariatedDetails, ParamDefinition } from "jalhyd";
 
 import { FormulaireFixedVar } from "./form-fixedvar";
 import { PbSchema } from "../elements/pb-schema";
@@ -235,15 +235,6 @@ export class FormulairePrebarrage extends FormulaireFixedVar {
             if (computedParam !== undefined) {
                 this.pbResults.cloisonResults.calculatedParameter = computedParam;
             }
-            // if some parameter is variating, add id too (trick with PbResultsComponent
-            for (const s of this._selectedItem.structures) {
-                for (const p of s.parameterIterator) {
-                    if (p.hasMultipleValues) {
-                        const ngp = this.getParamFromSymbol(p.symbol);
-                        this._pbResults.cloisonResults.addFixedParameter(ngp);
-                    }
-                }
-            }
             // transmission des suffixes de cloisons calculés par l'algo de tri de PbSchemaComponent,
             // pour le sélecteur de conditions limites
             const pbs = this.kids[0] as PbSchema;
@@ -260,10 +251,34 @@ export class FormulairePrebarrage extends FormulaireFixedVar {
         }
     }
 
+    /**
+     * Trouve le Ngparameter correspondant au paramètre "p", parmi tous les
+     * éléments du formulaire de PbCloison, qui peut contenir plusieurs
+     * structures ayant des paramètres de même nom
+     * @param param ParamDefinition
+     */
+    public getCloisonParam(param: ParamDefinition): NgParameter {
+        for (const p of this.allFormElements) {
+            if (p instanceof NgParameter) {
+                if (p.paramDefinition === param) {
+                    return p;
+                }
+            }
+        }
+    }
+
     public addFixedParameters() {
-        if (this.wallForm !== undefined) {
-            for (const p of this.wallForm.getFixedParameters()) {
-                this._pbResults.cloisonResults.addFixedParameter(p);
+        if (this._selectedItem !== undefined && this._selectedItem instanceof PbCloison) {
+            for (const s of this._selectedItem.structures) {
+                for (const p of s.parameterIterator) {
+                    // if some parameter is variating, add id too (trick with PbResultsComponent)
+                    if (p.visible) {
+                        const ngp = this.getCloisonParam(p);
+                        if (ngp) {
+                            this._pbResults.cloisonResults.addFixedParameter(ngp);
+                        }
+                    }
+                }
             }
         }
     }
diff --git a/src/locale/messages.en.json b/src/locale/messages.en.json
index e4f9d92bb891d1cd49b757d8195ad120a27cf721..689395becfe679c28d35c5ed6a2949e2f737d2e6 100644
--- a/src/locale/messages.en.json
+++ b/src/locale/messages.en.json
@@ -302,6 +302,7 @@
     "INFO_LIB_STRUCTURE_SEUILTRIANGULAIRE": "Triangular weir",
     "INFO_LIB_STRUCTURE_SEUILTRIANGULAIRETRUNC": "Truncated triangular weir",
     "INFO_LIB_STRUCTURE_VANNERECTANGULAIRE": "Rectangular gate",
+    "INFO_LIB_STRUCTURE_N_COURT": "D",
     "INFO_LIB_TAU0": "Tractive force",
     "INFO_LIB_TOR": "Supercritical water line",
     "INFO_LIB_TOTAL": "Total",
diff --git a/src/locale/messages.fr.json b/src/locale/messages.fr.json
index a20ca48295fdc743a1eee0d154aab7c5735ef8bf..847bae1ce70adacf735b5eac92e8db81f36b61a2 100644
--- a/src/locale/messages.fr.json
+++ b/src/locale/messages.fr.json
@@ -303,6 +303,7 @@
     "INFO_LIB_STRUCTURE_SEUILTRIANGULAIRE": "Seuil triangulaire",
     "INFO_LIB_STRUCTURE_SEUILTRIANGULAIRETRUNC": "Seuil triangulaire tronqué",
     "INFO_LIB_STRUCTURE_VANNERECTANGULAIRE": "Vanne rectangulaire",
+    "INFO_LIB_STRUCTURE_N_COURT": "O",
     "INFO_LIB_TAU0": "Force tractrice",
     "INFO_LIB_TOR": "Ligne d'eau torrentielle",
     "INFO_LIB_TOTAL": "Total",