diff --git a/source/components/CompanyDetails.tsx b/source/components/CompanyDetails.tsx
index 681d28cc8..3b7201a02 100644
--- a/source/components/CompanyDetails.tsx
+++ b/source/components/CompanyDetails.tsx
@@ -43,12 +43,17 @@ export default function CompanyDetails({ siren, denomination }: Etablissement) {
 						<Skeleton width={80} />
 					)}
 				</strong>
-				, <Trans>domiciliée à</Trans>{' '}
+				,&nbsp;
 				{company ? (
-					<>
-						<strong>{company.etablissement_siege.libelle_commune}</strong> (
-						{company.etablissement_siege.code_postal})
-					</>
+					company?.etablissement_siege ? (
+						<>
+							<Trans>domiciliée à</Trans>{' '}
+							<strong>{company.etablissement_siege.libelle_commune}</strong> (
+							{company.etablissement_siege.code_postal})
+						</>
+					) : (
+						<Trans>domiciliation inconnue</Trans>
+					)
 				) : (
 					<Skeleton width={100} />
 				)}
diff --git a/source/locales/en.yaml b/source/locales/en.yaml
index 63d29d054..2b770dbb3 100644
--- a/source/locales/en.yaml
+++ b/source/locales/en.yaml
@@ -370,6 +370,7 @@ créer:
   titre: Create a company
   warningPL: 'Note: the case of regulated liberal professions is not covered'
 d'aides: of aid
+domiciliation inconnue: unknown address
 domiciliée à: domiciled in
 déductible: deductible
 déplier: show more