diff --git a/site/source/components/Simulation/SimulationGoal.tsx b/site/source/components/Simulation/SimulationGoal.tsx
index 071924688..b25b408d5 100644
--- a/site/source/components/Simulation/SimulationGoal.tsx
+++ b/site/source/components/Simulation/SimulationGoal.tsx
@@ -1,6 +1,7 @@
 import { DottedName } from 'modele-social'
 import { formatValue, PublicodesExpression } from 'publicodes'
 import React, { useCallback, useState } from 'react'
+import { useTranslation } from 'react-i18next'
 import { useDispatch, useSelector } from 'react-redux'
 import { styled } from 'styled-components'
 
@@ -51,6 +52,7 @@ export function SimulationGoal({
 	const dispatch = useDispatch()
 	const engine = useEngine()
 	const currentUnit = useSelector(targetUnitSelector)
+	const language = useTranslation().i18n.language
 	const evaluation = engine.evaluate({
 		valeur: dottedName,
 		arrondi: round ? 'oui' : 'non',
@@ -171,6 +173,7 @@ export function SimulationGoal({
 								{formatValue(evaluation, {
 									displayedUnit,
 									precision: round ? 0 : 2,
+									language,
 								})}
 							</Body>
 						</Grid>
diff --git a/site/source/components/Simulation/SimulationValue.tsx b/site/source/components/Simulation/SimulationValue.tsx
index ce54a1872..643e5b016 100644
--- a/site/source/components/Simulation/SimulationValue.tsx
+++ b/site/source/components/Simulation/SimulationValue.tsx
@@ -1,6 +1,7 @@
 import { DottedName } from 'modele-social'
 import { formatValue } from 'publicodes'
 import React from 'react'
+import { useTranslation } from 'react-i18next'
 import { useSelector } from 'react-redux'
 import { styled } from 'styled-components'
 
@@ -38,6 +39,7 @@ export function SimulationValue({
 }: SimulationValueProps) {
 	const engine = useEngine()
 	const currentUnit = useSelector(targetUnitSelector)
+	const language = useTranslation().i18n.language
 	const evaluation = engine.evaluate({
 		valeur: dottedName,
 		arrondi: round ? 'oui' : 'non',
@@ -87,6 +89,7 @@ export function SimulationValue({
 							{formatValue(evaluation, {
 								displayedUnit,
 								precision: round ? 0 : 2,
+								language,
 							})}
 						</StyledBody>
 					</Grid>