diff --git a/src/models/streams.py b/src/models/streams.py
index 7028abb..46d876a 100644
--- a/src/models/streams.py
+++ b/src/models/streams.py
@@ -27,6 +27,7 @@ class VideoStream(BaseModel):
     tags: Tags | None = Field(None)
     preset: int = Field(2)
     crf: int = Field(30)
+    original_media_type: str = Field(None)
 
     @cached_property
     def fps(self) -> float: