diff --git a/streamtg.py b/streamtg.py
index 0359f6b..0d8a3f3 100644
--- a/streamtg.py
+++ b/streamtg.py
@@ -116,7 +116,7 @@ async def handler(request):
         'Content-Length': str(length),
         'Accept-Ranges': 'bytes'
     }
-    if content_type := request.headers.get('Content-Type'):
+    if content_type := query.get('Content-Type'):
         headers['Content-Type'] = content_type
 
     async def download():