diff --git a/src/input/input_ebml.h b/src/input/input_ebml.h
index 1b34e40f..55079f2d 100644
--- a/src/input/input_ebml.h
+++ b/src/input/input_ebml.h
@@ -52,7 +52,7 @@ namespace Mist{
         if (finished){
           return (ctr - rem > 0);
         }else{
-          return (ctr - rem > 12);
+          return frameOffsetKnown ? (ctr - rem > 1) : (ctr - rem > 12);
         }
       }
       /// Clears all internal values, for reuse as-new.