diff --git a/source/reducers/inFranceAppReducer.ts b/source/reducers/inFranceAppReducer.ts
index f41973d3a..f0b412463 100644
--- a/source/reducers/inFranceAppReducer.ts
+++ b/source/reducers/inFranceAppReducer.ts
@@ -152,6 +152,7 @@ function existingCompany(state: Company | null = null, action): Company | null {
 			action.catégorieJuridique
 		)
 		return {
+			...state,
 			siren: state.siren,
 			statutJuridique,
 			dateDeCréation: action.dateDeCréation
diff --git a/source/reducers/rootReducer.ts b/source/reducers/rootReducer.ts
index d33e61032..f48ffb007 100644
--- a/source/reducers/rootReducer.ts
+++ b/source/reducers/rootReducer.ts
@@ -248,7 +248,21 @@ function simulation(
 	}
 	return state
 }
-
+const existingCompanyReducer = (state, action: Action) => {
+	if (action.type.startsWith('EXISTING_COMPANY::') && state.simulation) {
+		return {
+			...state,
+			simulation: {
+				...state.simulation,
+				situation: {
+					...state.simulation.situation,
+					...getCompanySituation(state.inFranceApp.existingCompany)
+				}
+			}
+		}
+	}
+	return state
+}
 const mainReducer = (state, action: Action) =>
 	combineReducers({
 		lang,
@@ -271,6 +285,7 @@ const mainReducer = (state, action: Action) =>
 
 export default reduceReducers<RootState>(
 	mainReducer as any,
+	existingCompanyReducer as any,
 	storageRootReducer as any
 ) as Reducer<RootState>
 
diff --git a/source/sites/mon-entreprise.fr/pages/Simulateurs/dnrti.tsx b/source/sites/mon-entreprise.fr/pages/Simulateurs/dnrti.tsx
index 33f260559..2ad0974dd 100644
--- a/source/sites/mon-entreprise.fr/pages/Simulateurs/dnrti.tsx
+++ b/source/sites/mon-entreprise.fr/pages/Simulateurs/dnrti.tsx
@@ -3,7 +3,7 @@ import RuleLink from 'Components/RuleLink'
 import 'Components/TargetSelection.css'
 import { formatValue } from 'Engine/format'
 import InputComponent from 'Engine/InputComponent'
-import React, { useState } from 'react'
+import React, { useEffect, useState } from 'react'
 import { useDispatch, useSelector } from 'react-redux'
 import { RootState } from 'Reducers/rootReducer'
 import {
@@ -69,9 +69,14 @@ export default function DNRTI() {
 					<SubSection dottedName="situation personnelle . IJSS" />
 					<SubSection dottedName="dirigeant . indépendant . conjoint collaborateur" />
 
-					<SubSection dottedName="dirigeant . indépendant . cotisations et contributions . exonérations" />
+					<h3>Exonérations</h3>
 					<SimpleField dottedName="entreprise . ACRE" />
 					<SimpleField dottedName="établissement . ZFU" />
+					<SubSection
+						dottedName="dirigeant . indépendant . cotisations et contributions . exonérations"
+						sectionTitle={false}
+					/>
+
 					<h3>International</h3>
 					<SimpleField dottedName="situation personnelle . domiciliation fiscale à l'étranger" />
 					<SubSection
@@ -139,6 +144,10 @@ function SimpleField({ dottedName, question }: SimpleFieldProps) {
 		})
 		setCurrentValue(value)
 	}
+	useEffect(() => {
+		setCurrentValue(value)
+	}, [value])
+
 	if (!analysis.isApplicable) {
 		return null
 	}