diff --git a/libs/ardour/audio_diskstream.cc b/libs/ardour/audio_diskstream.cc
index 30dd556735..2ee824845a 100644
--- a/libs/ardour/audio_diskstream.cc
+++ b/libs/ardour/audio_diskstream.cc
@@ -1085,7 +1085,6 @@ AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer)
 
 			zero_fill = total_space - file_frame;
 			total_space = file_frame;
-			file_frame = 0;
 
 		} else {