1 files changed, 8 insertions, 5 deletions

diff --git a/server/controllers/api/config.ts b/server/controllers/api/config.ts
index 8d7fc8cf1..88f047adc 100644
--- a/server/controllers/api/config.ts
+++ b/server/controllers/api/config.ts
@@ -117,14 +117,17 @@ async function deleteCustomConfig (req: express.Request, res: express.Response,
 async function updateCustomConfig (req: express.Request, res: express.Response, next: express.NextFunction) {
   const toUpdate: CustomConfig = req.body
 
-  // Need to change the videoQuota key a little bit
-  const toUpdateJSON = omit(toUpdate, 'videoQuota')
+  // Force number conversion
+  toUpdate.cache.previews.size = parseInt('' + toUpdate.cache.previews.size, 10)
+  toUpdate.signup.limit = parseInt('' + toUpdate.signup.limit, 10)
+  toUpdate.user.videoQuota = parseInt('' + toUpdate.user.videoQuota, 10)
+  toUpdate.transcoding.threads = parseInt('' + toUpdate.transcoding.threads, 10)
+
+  // camelCase to snake_case key
+  const toUpdateJSON = omit(toUpdate, 'user.videoQuota', 'instance.defaultClientRoute', 'instance.shortDescription')
   toUpdateJSON.user['video_quota'] = toUpdate.user.videoQuota
   toUpdateJSON.instance['default_client_route'] = toUpdate.instance.defaultClientRoute
   toUpdateJSON.instance['short_description'] = toUpdate.instance.shortDescription
-  delete toUpdate.user.videoQuota
-  delete toUpdate.instance.defaultClientRoute
-  delete toUpdate.instance.shortDescription
 
   await writeFilePromise(CONFIG.CUSTOM_FILE, JSON.stringify(toUpdateJSON, undefined, 2))