diff --git a/server/controllers/api/video-playlist.ts b/server/controllers/api/video-playlist.ts
index a17136401..62490e63b 100644
--- a/server/controllers/api/video-playlist.ts
+++ b/server/controllers/api/video-playlist.ts
@@ -203,7 +203,9 @@ async function updateVideoPlaylist (req: express.Request, res: express.Response)
   const videoPlaylistInstance = res.locals.videoPlaylist
   const videoPlaylistFieldsSave = videoPlaylistInstance.toJSON()
   const videoPlaylistInfoToUpdate = req.body as VideoPlaylistUpdate
+
   const wasPrivatePlaylist = videoPlaylistInstance.privacy === VideoPlaylistPrivacy.PRIVATE
+  const wasNotPrivatePlaylist = videoPlaylistInstance.privacy !== VideoPlaylistPrivacy.PRIVATE
 
   const thumbnailField = req.files['thumbnailfile']
   const thumbnailModel = thumbnailField
@@ -232,6 +234,10 @@ async function updateVideoPlaylist (req: express.Request, res: express.Response)
 
       if (videoPlaylistInfoToUpdate.privacy !== undefined) {
         videoPlaylistInstance.privacy = parseInt(videoPlaylistInfoToUpdate.privacy.toString(), 10)
+
+        if (wasNotPrivatePlaylist === true && videoPlaylistInstance.privacy === VideoPlaylistPrivacy.PRIVATE) {
+          await sendDeleteVideoPlaylist(videoPlaylistInstance, t)
+        }
       }
 
       const playlistUpdated = await videoPlaylistInstance.save(sequelizeOptions)
diff --git a/server/middlewares/validators/videos/video-playlists.ts b/server/middlewares/validators/videos/video-playlists.ts
index f68eeeeb3..9c88dd291 100644
--- a/server/middlewares/validators/videos/video-playlists.ts
+++ b/server/middlewares/validators/videos/video-playlists.ts
@@ -24,6 +24,9 @@ import { VideoPlaylistPrivacy } from '../../../../shared/models/videos/playlist/
 import { VideoPlaylistType } from '../../../../shared/models/videos/playlist/video-playlist-type.model'
 
 const videoPlaylistsAddValidator = getCommonPlaylistEditAttributes().concat([
+  body('displayName')
+    .custom(isVideoPlaylistNameValid).withMessage('Should have a valid display name'),
+
   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
     logger.debug('Checking videoPlaylistsAddValidator parameters', { parameters: req.body })
 
@@ -46,6 +49,10 @@ const videoPlaylistsUpdateValidator = getCommonPlaylistEditAttributes().concat([
   param('playlistId')
     .custom(isIdOrUUIDValid).withMessage('Should have a valid playlist id/uuid'),
 
+  body('displayName')
+    .optional()
+    .custom(isVideoPlaylistNameValid).withMessage('Should have a valid display name'),
+
   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
     logger.debug('Checking videoPlaylistsUpdateValidator parameters', { parameters: req.body })
 
@@ -61,12 +68,6 @@ const videoPlaylistsUpdateValidator = getCommonPlaylistEditAttributes().concat([
 
     const body: VideoPlaylistUpdate = req.body
 
-    if (videoPlaylist.privacy !== VideoPlaylistPrivacy.PRIVATE && body.privacy === VideoPlaylistPrivacy.PRIVATE) {
-      cleanUpReqFiles(req)
-      return res.status(400)
-                .json({ error: 'Cannot set "private" a video playlist that was not private.' })
-    }
-
     const newPrivacy = body.privacy || videoPlaylist.privacy
     if (newPrivacy === VideoPlaylistPrivacy.PUBLIC &&
       (
@@ -368,8 +369,6 @@ function getCommonPlaylistEditAttributes () {
       + CONSTRAINTS_FIELDS.VIDEO_PLAYLISTS.IMAGE.EXTNAME.join(', ')
     ),
 
-    body('displayName')
-      .custom(isVideoPlaylistNameValid).withMessage('Should have a valid display name'),
     body('description')
       .optional()
       .customSanitizer(toValueOrNull)
diff --git a/server/tests/api/check-params/video-playlists.ts b/server/tests/api/check-params/video-playlists.ts
index b7b94c035..8c5e44bdd 100644
--- a/server/tests/api/check-params/video-playlists.ts
+++ b/server/tests/api/check-params/video-playlists.ts
@@ -205,7 +205,6 @@ describe('Test video playlists API validator', function () {
       const params = getBase({ displayName: undefined })
 
       await createVideoPlaylist(params)
-      await updateVideoPlaylist(getUpdate(params, playlistUUID))
     })
 
     it('Should fail with an incorrect display name', async function () {
@@ -269,17 +268,6 @@ describe('Test video playlists API validator', function () {
       ))
     })
 
-    it('Should fail to update to private a public/unlisted playlist', async function () {
-      const params = getBase({ privacy: VideoPlaylistPrivacy.PUBLIC }, { expectedStatus: 200 })
-
-      const res = await createVideoPlaylist(params)
-      const playlist = res.body.videoPlaylist
-
-      const paramsUpdate = getBase({ privacy: VideoPlaylistPrivacy.PRIVATE }, { expectedStatus: 400 })
-
-      await updateVideoPlaylist(getUpdate(paramsUpdate, playlist.id))
-    })
-
     it('Should fail to update the watch later playlist', async function () {
       await updateVideoPlaylist(getUpdate(
         getBase({}, { expectedStatus: 400 }),
diff --git a/server/tests/api/videos/video-playlists.ts b/server/tests/api/videos/video-playlists.ts
index 3ebb1df0b..8690327c4 100644
--- a/server/tests/api/videos/video-playlists.ts
+++ b/server/tests/api/videos/video-playlists.ts
@@ -754,6 +754,40 @@ describe('Test video playlists', function () {
     }
   })
 
+
+  it('Should be able to create a public playlist, and set it to private', async function () {
+    this.timeout(30000)
+
+    const res = await createVideoPlaylist({
+      url: servers[0].url,
+      token: servers[0].accessToken,
+      playlistAttrs: {
+        displayName: 'my super public playlist',
+        privacy: VideoPlaylistPrivacy.PUBLIC,
+        videoChannelId: servers[0].videoChannel.id
+      }
+    })
+    const videoPlaylistIds = res.body.videoPlaylist
+
+    await waitJobs(servers)
+
+    for (const server of servers) {
+      await getVideoPlaylist(server.url, videoPlaylistIds.uuid, 200)
+    }
+
+    const playlistAttrs = { privacy: VideoPlaylistPrivacy.PRIVATE }
+    await updateVideoPlaylist({ url: servers[0].url, token: servers[0].accessToken, playlistId: videoPlaylistIds.id, playlistAttrs })
+
+    await waitJobs(servers)
+
+    for (const server of [ servers[1], servers[2] ]) {
+      await getVideoPlaylist(server.url, videoPlaylistIds.uuid, 404)
+    }
+    await getVideoPlaylist(servers[0].url, videoPlaylistIds.uuid, 401)
+
+    await getVideoPlaylistWithToken(servers[0].url, servers[0].accessToken, videoPlaylistIds.uuid, 200)
+  })
+
   it('Should delete the playlist on server 1 and delete on server 2 and 3', async function () {
     this.timeout(30000)
 
diff --git a/shared/models/videos/playlist/video-playlist-update.model.ts b/shared/models/videos/playlist/video-playlist-update.model.ts
index 0ff5bcb0f..a6a3f74d9 100644
--- a/shared/models/videos/playlist/video-playlist-update.model.ts
+++ b/shared/models/videos/playlist/video-playlist-update.model.ts
@@ -1,8 +1,8 @@
 import { VideoPlaylistPrivacy } from './video-playlist-privacy.model'
 
 export interface VideoPlaylistUpdate {
-  displayName: string
-  privacy: VideoPlaylistPrivacy
+  displayName?: string
+  privacy?: VideoPlaylistPrivacy
 
   description?: string
   videoChannelId?: number