diff --git a/src/app/components/fixedvar-results/fixed-results.component.ts b/src/app/components/fixedvar-results/fixed-results.component.ts
index f369c26d649f7dc2a62e68267e8873edee5d7018..d1cfd454e31f91dadc6c225e3414b8d5c9936fe9 100644
--- a/src/app/components/fixedvar-results/fixed-results.component.ts
+++ b/src/app/components/fixedvar-results/fixed-results.component.ts
@@ -7,7 +7,7 @@ import { ResultsComponentDirective } from "./results.component";
 import { AppComponent } from "../../app.component";
 import { NgParameter } from "../../formulaire/elements/ngparam";
 
-import { capitalize } from "jalhyd";
+import { capitalize, Result, ResultElement } from "jalhyd";
 
 import { sprintf } from "sprintf-js";
 
@@ -114,17 +114,17 @@ export class FixedResultsComponent extends ResultsComponentDirective {
             if (
                 res
                 && res.resultElements.length > 0
-                && res.resultElement
-                && res.resultElement.count() > 0
+                && this.getResultElement(res)
+                && this.getResultElement(res).count() > 0
             ) {
                 const sn = this._fixedResults.result.sourceNub;
                 let found = false;
 
                 // 2.1 all results
-                for (const k of res.resultElement.keys) {
+                for (const k of this.getResultElement(res).keys) {
                     if (k === symbol) {
                         found = true;
-                        const er: number = res.resultElement.getValue(k);
+                        const er: number = this.getResultElement(res).getValue(k);
                         // calculator type for translation
                         let ct = sn.calcType;
                         if (sn.parent) {
@@ -152,9 +152,9 @@ export class FixedResultsComponent extends ResultsComponentDirective {
                 if (! found) {
                     for (const c of sn.getChildren()) {
                         if (c.result) {
-                            for (const k of c.result.resultElement.keys) {
+                            for (const k of this.getResultElement(c.result).keys) {
                                 if (k === symbol) {
-                                    const er: number = c.result.resultElement.getValue(k);
+                                    const er: number = this.getResultElement(c.result).getValue(k);
                                     // calculator type for translation
                                     let ct = sn.calcType;
                                     if (sn.parent) {
@@ -209,14 +209,14 @@ export class FixedResultsComponent extends ResultsComponentDirective {
         if (
             res
             && res.resultElements.length > 0
-            && res.resultElement
-            && res.resultElement.count() > 0
+            && this.getResultElement(res)
+            && this.getResultElement(res).count() > 0
         ) {
             const sn = this._fixedResults.result.sourceNub;
 
             // 2.1 all results
-            for (const k of res.resultElement.keys) {
-                const er: number = res.resultElement.getValue(k);
+            for (const k of this.getResultElement(res).keys) {
+                const er: number = this.getResultElement(res).getValue(k);
                 // calculator type for translation
                 let ct = sn.calcType;
                 if (sn.parent) {
@@ -242,8 +242,8 @@ export class FixedResultsComponent extends ResultsComponentDirective {
             // 2.2. children results
             for (const c of sn.getChildren()) {
                 if (c.result) {
-                    for (const k of c.result.resultElement.keys) {
-                        const er: number = c.result.resultElement.getValue(k);
+                    for (const k of this.getResultElement(c.result).keys) {
+                        const er: number = this.getResultElement(c.result).getValue(k);
                         // calculator type for translation
                         let ct = sn.calcType;
                         if (sn.parent) {
@@ -274,6 +274,14 @@ export class FixedResultsComponent extends ResultsComponentDirective {
         return this.formattedValue(fp);
     }
 
+    /**
+     * Retourne l'élément de résultat en cours pour le résultat donné;
+     * redéfini dans PbCloisonResultsComponent notamment
+     */
+    protected getResultElement(r: Result): ResultElement {
+        return r.resultElement;
+    }
+
     public exportAsSpreadsheet() {
         AppComponent.exportAsSpreadsheet(this.table.nativeElement, true);
     }
diff --git a/src/app/components/pb-results/pb-cloison-results.component.ts b/src/app/components/pb-results/pb-cloison-results.component.ts
index 4046808653836e277fd8f5d3d07ae2a9550ad3b2..0d2fe30ccdcec69911373b90fce555d92c52862f 100644
--- a/src/app/components/pb-results/pb-cloison-results.component.ts
+++ b/src/app/components/pb-results/pb-cloison-results.component.ts
@@ -5,6 +5,8 @@ import { NgParameter } from "../../formulaire/elements/ngparam";
 import { getIthValue } from "../../util";
 import { PbCloisonResults } from "../../results/pb-cloison-results";
 
+import { Result, ResultElement } from "jalhyd";
+
 @Component({
     selector: "pb-cloison-results",
     templateUrl: "../fixedvar-results/fixed-results.component.html",
@@ -32,4 +34,9 @@ export class PbCloisonResultsComponent extends FixedResultsComponent {
         }
         return val;
     }
+
+    /** Retourne l'élément de résultat en cours, en fonction de l'index variable */
+    protected getResultElement(r: Result): ResultElement {
+        return r.resultElements[this.results.variableIndex];
+    }
 }
diff --git a/src/app/results/prebarrage-results.ts b/src/app/results/prebarrage-results.ts
index 301b8248c11445aaac713c5273938c216cd929f0..36ad3f1898dc11eb78c7d9cc1925311bb587ced6 100644
--- a/src/app/results/prebarrage-results.ts
+++ b/src/app/results/prebarrage-results.ts
@@ -19,7 +19,7 @@ export class PrebarrageResults extends MultiDimensionResults {
     public size: number;
 
     /** Stores appropriate number suffix for a given wall uid (copied from PbSchema) */
-    public wallsSuffixes: { [key: string]: number };
+    public wallsSuffixes: { [key: string]: number } = {};
 
     public constructor() {
         super();