diff --git a/src/output/output_mp4.cpp b/src/output/output_mp4.cpp
index c7a7a078..822aa81b 100644
--- a/src/output/output_mp4.cpp
+++ b/src/output/output_mp4.cpp
@@ -1487,6 +1487,7 @@ namespace Mist{
         }
       }
       selectDefaultTracks();
+      initialSeek();
       sendHeader();
     }else if (command["type"] == "seek") {
       handleWebsocketSeek(command);