diff --git a/linphone/mediastreamer2/src/msfileplayer.c b/linphone/mediastreamer2/src/msfileplayer.c
index 2dec8059a..d43055406 100644
--- a/linphone/mediastreamer2/src/msfileplayer.c
+++ b/linphone/mediastreamer2/src/msfileplayer.c
@@ -221,6 +221,8 @@ static void player_process(MSFilter *f){
 		if (err>=0){
 			if (err!=0){
 				om->b_wptr+=bytes;
+				if (err<bytes)
+ 					memset(om->b_wptr+err,0,bytes-err);
 				ms_queue_put(f->outputs[0],om);
 			}else freemsg(om);
 			if (err<bytes){