2 files changed, 3 insertions, 1 deletions

diff --git a/server/helpers/activitypub.ts b/server/helpers/activitypub.ts
index d710f5c97..a9de11fb0 100644
--- a/server/helpers/activitypub.ts
+++ b/server/helpers/activitypub.ts
@@ -24,6 +24,7 @@ function activityPubContextify <T> (data: T) {
         views: 'http://schema.org/Number',
         stats: 'http://schema.org/Number',
         size: 'http://schema.org/Number',
+        fps: 'http://schema.org/Number',
         commentsEnabled: 'http://schema.org/Boolean',
         waitTranscoding: 'http://schema.org/Boolean',
         support: 'http://schema.org/Text'
diff --git a/server/helpers/custom-validators/activitypub/videos.ts b/server/helpers/custom-validators/activitypub/videos.ts
index c6a350236..b8075f3c7 100644
--- a/server/helpers/custom-validators/activitypub/videos.ts
+++ b/server/helpers/custom-validators/activitypub/videos.ts
@@ -153,7 +153,8 @@ function isRemoteVideoUrlValid (url: any) {
       ACTIVITY_PUB.URL_MIME_TYPES.VIDEO.indexOf(url.mimeType) !== -1 &&
       isActivityPubUrlValid(url.href) &&
       validator.isInt(url.width + '', { min: 0 }) &&
-      validator.isInt(url.size + '', { min: 0 })
+      validator.isInt(url.size + '', { min: 0 }) &&
+      (!url.fps || validator.isInt(url.fps + '', { min: 0 }))
     ) ||
     (
       ACTIVITY_PUB.URL_MIME_TYPES.TORRENT.indexOf(url.mimeType) !== -1 &&