diff --git a/site/source/components/conversation/QuestionEnCours.tsx b/site/source/components/conversation/QuestionEnCours.tsx
index 54914ca4a..c0b2494e2 100644
--- a/site/source/components/conversation/QuestionEnCours.tsx
+++ b/site/source/components/conversation/QuestionEnCours.tsx
@@ -1,5 +1,6 @@
+import { isObject } from 'effect/Predicate'
 import { DottedName } from 'modele-social'
-import Engine, { PublicodesExpression } from 'publicodes'
+import { PublicodesExpression } from 'publicodes'
 import React, { useCallback } from 'react'
 import { Trans, useTranslation } from 'react-i18next'
 import { useDispatch, useSelector } from 'react-redux'
@@ -16,7 +17,10 @@ import { useEngine } from '@/components/utils/EngineContext'
 import { Button } from '@/design-system/buttons'
 import { Grid } from '@/design-system/layout'
 import { H3 } from '@/design-system/typography/heading'
-import { enregistreLaRéponse } from '@/store/actions/actions'
+import {
+	enregistreLaRéponse,
+	enregistreLesRéponses,
+} from '@/store/actions/actions'
 import { estSurLaPremièreQuestionRépondueSelector } from '@/store/selectors/estSurLaPremièreQuestionRépondue.selector'
 import { situationSelector } from '@/store/selectors/simulationSelectors'
 import { evaluateQuestion } from '@/utils'
@@ -72,7 +76,16 @@ export function QuestionEnCours({
 		value: PublicodesExpression | undefined,
 		dottedName: DottedName
 	) => {
-		dispatch(enregistreLaRéponse(dottedName, value))
+		if (value && isObject(value) && 'batchUpdate' in value) {
+			dispatch(
+				enregistreLesRéponses(
+					dottedName,
+					value.batchUpdate as Record<string, PublicodesExpression>
+				)
+			)
+		} else {
+			dispatch(enregistreLaRéponse(dottedName, value))
+		}
 	}
 
 	const isDateQuestion =
diff --git a/site/source/components/conversation/RuleInput.tsx b/site/source/components/conversation/RuleInput.tsx
index aa028efa5..cf860566b 100644
--- a/site/source/components/conversation/RuleInput.tsx
+++ b/site/source/components/conversation/RuleInput.tsx
@@ -151,7 +151,7 @@ export default function RuleInput<Names extends string = DottedName>({
 			<>
 				<SelectCommune
 					{...commonProps}
-					onChange={(c) => commonProps.onChange(c)}
+					onChange={(c) => commonProps.onChange({ batchUpdate: c })} // 😭
 					value={value as Evaluation<string>}
 				/>
 				<Spacing md />
diff --git a/site/source/domaine/updateSituation.ts b/site/source/domaine/updateSituation.ts
index 4495a35eb..068b58d3e 100644
--- a/site/source/domaine/updateSituation.ts
+++ b/site/source/domaine/updateSituation.ts
@@ -1,6 +1,3 @@
-import { pipe } from 'effect'
-import { isNumber, isString } from 'effect/Predicate'
-import * as R from 'effect/Record'
 import { DottedName } from 'modele-social'
 import { PublicodesExpression } from 'publicodes'
 
@@ -22,17 +19,8 @@ export function updateSituation(
 
 	const objectifsExclusifs = config['objectifs exclusifs'] ?? []
 
-	const nouvellesValeurs =
-		isString(value) || isNumber(value)
-			? { [dottedName]: value }
-			: pipe(
-					value,
-					R.mapKeys((suffixe) => `${dottedName} . ${suffixe}`),
-					R.map((valeur) => (isString(valeur) ? `'${valeur}'` : valeur)) // 😭
-			  )
-
 	if (!objectifsExclusifs.includes(dottedName)) {
-		return { ...currentSituation, ...nouvellesValeurs }
+		return { ...currentSituation, [dottedName]: value }
 	}
 
 	const objectifsToReset = objectifsExclusifs.filter(
diff --git a/site/source/domaine/updateSituationMultiple.ts b/site/source/domaine/updateSituationMultiple.ts
new file mode 100644
index 000000000..902bfc106
--- /dev/null
+++ b/site/source/domaine/updateSituationMultiple.ts
@@ -0,0 +1,24 @@
+import { pipe } from 'effect'
+import { isString } from 'effect/Predicate'
+import * as R from 'effect/Record'
+import { DottedName } from 'modele-social'
+import { PublicodesExpression } from 'publicodes'
+
+import { SimulationConfig } from '@/domaine/SimulationConfig'
+import { Situation } from '@/domaine/Situation'
+import { ImmutableType } from '@/types/utils'
+
+export function updateSituationMultiple(
+	config: ImmutableType<SimulationConfig>,
+	currentSituation: Situation,
+	préfixe: DottedName,
+	valeurs: Record<string, PublicodesExpression>
+): Situation {
+	const nouvellesValeurs = pipe(
+		valeurs,
+		R.mapKeys((suffixe) => `${préfixe} . ${suffixe}`),
+		R.map((valeur) => (isString(valeur) ? `'${valeur}'` : valeur)) // 😭
+	)
+
+	return { ...currentSituation, ...nouvellesValeurs }
+}
diff --git a/site/source/store/actions/actions.ts b/site/source/store/actions/actions.ts
index 66faa2c6c..1cdeebbf0 100644
--- a/site/source/store/actions/actions.ts
+++ b/site/source/store/actions/actions.ts
@@ -21,6 +21,7 @@ export type Action =
 			| typeof vaÀLaQuestionSuivante
 			| typeof ajusteLaSituation
 			| typeof enregistreLaRéponse
+			| typeof enregistreLesRéponses
 			| typeof deleteFromSituation
 			| typeof updateUnit
 			| typeof batchUpdateSituation
@@ -79,6 +80,16 @@ export const enregistreLaRéponse = (
 				value,
 		  } as const)
 
+export const enregistreLesRéponses = (
+	règle: DottedName,
+	valeurs: Record<string, PublicodesExpression>
+) =>
+	({
+		type: 'ENREGISTRE_LES_RÉPONSES',
+		règle,
+		valeurs,
+	}) as const
+
 export const deleteFromSituation = (fieldName: DottedName) =>
 	({
 		type: 'DELETE_FROM_SITUATION',
diff --git a/site/source/store/reducers/simulation.reducer.ts b/site/source/store/reducers/simulation.reducer.ts
index 58e9abaf3..b31acdeaf 100644
--- a/site/source/store/reducers/simulation.reducer.ts
+++ b/site/source/store/reducers/simulation.reducer.ts
@@ -4,6 +4,7 @@ import { SimulationConfig } from '@/domaine/SimulationConfig'
 import { Situation } from '@/domaine/Situation'
 import { updateSituation } from '@/domaine/updateSituation'
 import { updateSituationMulti } from '@/domaine/updateSituationMulti'
+import { updateSituationMultiple } from '@/domaine/updateSituationMultiple'
 import { Action } from '@/store/actions/actions'
 import { omit, reject } from '@/utils'
 
@@ -87,6 +88,27 @@ export function simulationReducer(
 			}
 		}
 
+		case 'ENREGISTRE_LES_RÉPONSES': {
+			const déjàDansLesQuestionsRépondues = state.answeredQuestions.includes(
+				action.règle
+			)
+
+			const answeredQuestions = déjàDansLesQuestionsRépondues
+				? state.answeredQuestions
+				: [...state.answeredQuestions, action.règle]
+
+			return {
+				...state,
+				answeredQuestions,
+				situation: updateSituationMultiple(
+					state.config,
+					state.situation,
+					action.règle,
+					action.valeurs
+				),
+			}
+		}
+
 		case 'DELETE_FROM_SITUATION': {
 			const newState = {
 				...state,