diff --git a/site/source/domaine/engine/détermineLesProchainesQuestions.ts b/site/source/domaine/engine/détermineLesProchainesQuestions.ts
index ccd9528f7..c1e5027c8 100644
--- a/site/source/domaine/engine/détermineLesProchainesQuestions.ts
+++ b/site/source/domaine/engine/détermineLesProchainesQuestions.ts
@@ -42,7 +42,9 @@ export const détermineLesProchainesQuestions = (
 		filter(
 			(step) =>
 				(!liste.length || liste.some((name) => step.startsWith(name))) &&
-				(!listeNoire.length || !listeNoire.some((name) => step === name))
+				(!listeNoire.length || !listeNoire.some((name) => step === name)) &&
+				(!config['objectifs exclusifs']?.length ||
+					!config['objectifs exclusifs'].includes(step))
 		),
 		sort((a: DottedName, b: DottedName) => Order.number(score(a), score(b))),
 		filter(
diff --git a/site/source/domaine/estObjectifExclusifDeLaSimulation.ts b/site/source/domaine/estObjectifExclusifDeLaSimulation.ts
new file mode 100644
index 000000000..4b8873215
--- /dev/null
+++ b/site/source/domaine/estObjectifExclusifDeLaSimulation.ts
@@ -0,0 +1,8 @@
+import { DottedName } from 'modele-social'
+
+import { SimulationConfig } from '@/domaine/SimulationConfig'
+
+export const estObjectifExclusifDeLaSimulation =
+	(config: SimulationConfig) =>
+	(question: DottedName): boolean =>
+		config['objectifs exclusifs']?.includes(question) ?? false
diff --git a/site/source/domaine/estQuestionEnListeNoire.ts b/site/source/domaine/estQuestionEnListeNoire.ts
new file mode 100644
index 000000000..896eb6d8c
--- /dev/null
+++ b/site/source/domaine/estQuestionEnListeNoire.ts
@@ -0,0 +1,10 @@
+import { DottedName } from 'modele-social'
+
+import { SimulationConfig } from '@/domaine/SimulationConfig'
+
+export const estQuestionEnListeNoire =
+	(config: SimulationConfig) =>
+	(question: DottedName): boolean =>
+		config.questions?.['liste noire']?.some((préfixe) =>
+			question.startsWith(préfixe)
+		) ?? false
diff --git a/site/source/pages/simulateurs/auto-entrepreneur/simulationConfig.ts b/site/source/pages/simulateurs/auto-entrepreneur/simulationConfig.ts
index 42cd079e3..3bb33d7c3 100644
--- a/site/source/pages/simulateurs/auto-entrepreneur/simulationConfig.ts
+++ b/site/source/pages/simulateurs/auto-entrepreneur/simulationConfig.ts
@@ -39,7 +39,6 @@ export const configAutoEntrepreneur: SimulationConfig = {
 		],
 		'non prioritaires': ['établissement . commune'],
 		'liste noire': [
-			'entreprise . activités',
 			'entreprise . activités . revenus mixtes',
 			'entreprise . charges',
 			"entreprise . chiffre d'affaires",
diff --git a/site/source/store/reducers/simulation.reducer.ts b/site/source/store/reducers/simulation.reducer.ts
index cf4075555..86f9e0d8d 100644
--- a/site/source/store/reducers/simulation.reducer.ts
+++ b/site/source/store/reducers/simulation.reducer.ts
@@ -1,5 +1,7 @@
 import { DottedName } from 'modele-social'
 
+import { estObjectifExclusifDeLaSimulation } from '@/domaine/estObjectifExclusifDeLaSimulation'
+import { estQuestionEnListeNoire } from '@/domaine/estQuestionEnListeNoire'
 import { SimulationConfig } from '@/domaine/SimulationConfig'
 import { Situation } from '@/domaine/Situation'
 import { updateSituation } from '@/domaine/updateSituation'
@@ -55,11 +57,16 @@ export function simulationReducer(
 			}
 
 		case 'ENREGISTRE_LA_RÉPONSE': {
-			const answeredQuestions = state.answeredQuestions.includes(
+			const déjàDansLesQuestionsRépondues = state.answeredQuestions.includes(
 				action.fieldName
 			)
-				? state.answeredQuestions
-				: [...state.answeredQuestions, action.fieldName]
+
+			const answeredQuestions =
+				déjàDansLesQuestionsRépondues ||
+				estQuestionEnListeNoire(state.config)(action.fieldName) ||
+				estObjectifExclusifDeLaSimulation(state.config)(action.fieldName)
+					? state.answeredQuestions
+					: [...state.answeredQuestions, action.fieldName]
 
 			return {
 				...state,