diff --git a/frontend/src/components/HousingEdition/HousingEditionSideMenu.tsx b/frontend/src/components/HousingEdition/HousingEditionSideMenu.tsx
index 0a146fd12..b50c8646d 100644
--- a/frontend/src/components/HousingEdition/HousingEditionSideMenu.tsx
+++ b/frontend/src/components/HousingEdition/HousingEditionSideMenu.tsx
@@ -81,7 +81,7 @@ function HousingEditionSideMenu(props: HousingEditionSideMenuProps) {
       occupancy: props.housing?.occupancy ?? Occupancy.UNKNOWN,
       occupancyIntended: props.housing?.occupancyIntended ?? Occupancy.UNKNOWN,
       status: props.housing?.status ?? HousingStatus.NEVER_CONTACTED,
-      subStatus: props.housing?.subStatus ?? '',
+      subStatus: props.housing?.subStatus ?? null,
       note: ''
     },
     mode: 'onSubmit',
@@ -114,6 +114,18 @@ function HousingEditionSideMenu(props: HousingEditionSideMenuProps) {
     }
   });
 
+  const { data } = useFindPrecisionsQuery();
+  const precisionOptions = data ?? [];
+  const precisions =
+    housing?.precisions?.length && precisionOptions.length
+      ? housing.precisions
+          .concat(housing?.vacancyReasons ?? [])
+          // Only keep the well formed precisions and vacancy reasons
+          // like `Dispositifs > Dispositifs incitatifs > Réserve personnelle ou pour une autre personne`
+          .filter((precision) => precision.split(' > ').length === 3)
+          .map((precision) => toNewPrecision(precisionOptions, precision))
+      : [];
+
   function submit() {
     if (housing) {
       const { note, ...payload } = form.getValues();
@@ -129,7 +141,8 @@ function HousingEditionSideMenu(props: HousingEditionSideMenuProps) {
           occupancy: payload.occupancy as Occupancy,
           occupancyIntended: payload.occupancyIntended as Occupancy | null,
           status: payload.status as HousingStatus,
-          subStatus: payload.subStatus
+          subStatus: payload.subStatus,
+          precisions: precisions.map((p) => p.id)
         });
       }
 
@@ -169,18 +182,6 @@ function HousingEditionSideMenu(props: HousingEditionSideMenuProps) {
   }
 
   function MobilisationTab(): ElementOf<TabsProps.Uncontrolled['tabs']> {
-    const { data } = useFindPrecisionsQuery();
-
-    const precisionOptions = data ?? [];
-    const precisions =
-      housing?.precisions?.length && precisionOptions.length
-        ? housing.precisions
-            .concat(housing?.vacancyReasons ?? [])
-            // Only keep the well formed precisions and vacancy reasons
-            // like `Dispositifs > Dispositifs incitatifs > Réserve personnelle ou pour une autre personne`
-            .filter((precision) => precision.split(' > ').length === 3)
-            .map((precision) => toNewPrecision(precisionOptions, precision))
-        : [];
     const mechanisms = precisions.filter((precision) =>
       isPrecisionMechanismCategory(precision.category)
     );
diff --git a/frontend/src/components/HousingList/HousingList.tsx b/frontend/src/components/HousingList/HousingList.tsx
index 6b009e933..0daa2ae8e 100644
--- a/frontend/src/components/HousingList/HousingList.tsx
+++ b/frontend/src/components/HousingList/HousingList.tsx
@@ -59,7 +59,7 @@ const HousingList = ({
 
   const [pagination, setPagination] = useState<Pagination>(DefaultPagination);
   const [sort, setSort] = useState<HousingSort>();
-  const [updatingHousing, setUpdatingHousing] = useState<Housing | null>(null);
+  const [updatingHousing, setUpdatingHousing] = useState<string | null>(null);
 
   const { housingList } = useHousingList({
     filters,
@@ -243,7 +243,7 @@ const HousingList = ({
           title="Mettre à jour"
           size="small"
           priority="secondary"
-          onClick={() => setUpdatingHousing(housing)}
+          onClick={() => setUpdatingHousing(housing.id)}
         >
           Mettre à jour
         </Button>
@@ -337,7 +337,9 @@ const HousingList = ({
         </>
       )}
       <HousingEditionSideMenu
-        housing={updatingHousing}
+        housing={
+          housingList.find((housing) => housing.id === updatingHousing) ?? null
+        }
         expand={!!updatingHousing}
         onClose={() => {
           setUpdatingHousing(null);
diff --git a/frontend/src/services/housing.service.ts b/frontend/src/services/housing.service.ts
index b1e6edfdb..b285f0fa3 100644
--- a/frontend/src/services/housing.service.ts
+++ b/frontend/src/services/housing.service.ts
@@ -14,7 +14,6 @@ import {
 import { parseOwner } from './owner.service';
 import { HousingCount } from '../models/HousingCount';
 import { zlvApi } from './api.service';
-import fp from 'lodash/fp';
 
 export interface FindOptions
   extends PaginationOptions,
@@ -140,16 +139,13 @@ export const housingApi = zlvApi.injectEndpoints({
       query: ({ id, ...payload }) => ({
         url: `housing/${id}`,
         method: 'PUT',
-        body: fp.pick(
-          [
-            'occupancy',
-            'occupancyIntended',
-            'status',
-            'subStatus',
-            'precisions'
-          ],
-          payload
-        )
+        body: {
+          occupancy: payload.occupancy,
+          occupancyIntended: payload.occupancyIntended ?? null,
+          status: payload.status,
+          subStatus: payload.subStatus?.length ? payload.subStatus : null,
+          precisions: payload.precisions?.length ? payload.precisions : null
+        } satisfies HousingUpdatePayloadDTO
       }),
       invalidatesTags: (result, error, payload) => [
         { type: 'Housing', id: payload.id },
diff --git a/packages/models/src/HousingDTO.ts b/packages/models/src/HousingDTO.ts
index 58e93a8a5..87d1c6d38 100644
--- a/packages/models/src/HousingDTO.ts
+++ b/packages/models/src/HousingDTO.ts
@@ -51,7 +51,6 @@ export type HousingUpdatePayloadDTO =
     // Optional, nullable keys
     subStatus?: string | null;
     precisions?: string[] | null;
-    vacancyReasons?: string[] | null;
     occupancyIntended?: Occupancy | null;
   };
 
diff --git a/packages/schemas/src/housing-update-payload.ts b/packages/schemas/src/housing-update-payload.ts
index 7d872061b..d03cf7180 100644
--- a/packages/schemas/src/housing-update-payload.ts
+++ b/packages/schemas/src/housing-update-payload.ts
@@ -25,14 +25,6 @@ export const housingUpdatePayload: ObjectSchema<HousingUpdatePayloadDTO> =
       .transform((value) =>
         Array.isArray(value) && value.length === 0 ? null : value
       ),
-    vacancyReasons: array()
-      .of(string().trim().required())
-      .nullable()
-      .optional()
-      .default(null)
-      .transform((value) =>
-        Array.isArray(value) && value.length === 0 ? null : value
-      ),
     occupancyIntended: string()
       .oneOf(OCCUPANCY_VALUES)
       .nullable()
diff --git a/packages/schemas/src/test/housing-update-payload.test.ts b/packages/schemas/src/test/housing-update-payload.test.ts
index f07561426..bb6aa3d5f 100644
--- a/packages/schemas/src/test/housing-update-payload.test.ts
+++ b/packages/schemas/src/test/housing-update-payload.test.ts
@@ -21,11 +21,6 @@ describe('Housing update payload', () => {
       fc.constant(null),
       fc.constant(undefined)
     ),
-    vacancyReasons: fc.oneof(
-      fc.array(fc.stringMatching(/\S/), { minLength: 1 }),
-      fc.constant(null),
-      fc.constant(undefined)
-    ),
     occupancyIntended: fc.oneof(
       fc.constantFrom(...OCCUPANCY_VALUES),
       fc.constant(null),
diff --git a/server/src/controllers/housingController.test.ts b/server/src/controllers/housingController.test.ts
index 5b3a0e157..7f07ed966 100644
--- a/server/src/controllers/housingController.test.ts
+++ b/server/src/controllers/housingController.test.ts
@@ -568,7 +568,6 @@ describe('Housing API', () => {
         ),
         subStatus: null,
         precisions: null,
-        vacancyReasons: null,
         occupancy: faker.helpers.arrayElement(
           OCCUPANCY_VALUES.filter(
             (occupancy) => occupancy !== housing.occupancy
@@ -627,7 +626,6 @@ describe('Housing API', () => {
         status: payload.status,
         subStatus: null,
         precisions: payload.precisions,
-        vacancyReasons: payload.vacancyReasons,
         occupancy: payload.occupancy,
         occupancyIntended: payload.occupancyIntended
       });
@@ -647,7 +645,6 @@ describe('Housing API', () => {
         status: payload.status as unknown as HousingStatusApi.Blocked,
         sub_status: null,
         precisions: payload.precisions,
-        vacancy_reasons: payload.vacancyReasons,
         occupancy: payload.occupancy,
         occupancy_intended: payload.occupancyIntended
       });
@@ -762,8 +759,7 @@ describe('Housing API', () => {
         subStatus: housing.subStatus,
         occupancy: housing.occupancy,
         occupancyIntended: housing.occupancyIntended,
-        precisions: housing.precisions,
-        vacancyReasons: housing.vacancyReasons
+        precisions: housing.precisions
       };
 
       const { status } = await request(app)
diff --git a/server/src/controllers/housingController.ts b/server/src/controllers/housingController.ts
index 38b82b39c..e1a48a452 100644
--- a/server/src/controllers/housingController.ts
+++ b/server/src/controllers/housingController.ts
@@ -337,9 +337,7 @@ async function updateNext(
     HousingUpdatePayloadDTO
   >;
 
-  const precisionIds = (body.precisions ?? []).concat(
-    body.vacancyReasons ?? []
-  );
+  const precisionIds = body.precisions ?? [];
   const [housing, precisions] = await Promise.all([
     housingRepository.findOne({
       id: params.id,