diff --git a/linphone/mediastreamer2/src/msfilerec_win.c b/linphone/mediastreamer2/src/msfilerec_win.c
index 1e0503a06..85df07b86 100644
--- a/linphone/mediastreamer2/src/msfilerec_win.c
+++ b/linphone/mediastreamer2/src/msfilerec_win.c
@@ -122,6 +122,9 @@ static void write_wav_header(int rate,int size, char *filename){
 }
 
 static int rec_open(MSFilter *f, void *arg){
+	wave_header_t header;
+	DWORD bytes_written=0;
+
 	RecState *s=(RecState*)f->data;
 	const char *filename=(const char*)arg;
 	ms_mutex_lock(&f->lock);
@@ -141,6 +144,12 @@ static int rec_open(MSFilter *f, void *arg){
 		return -1;
 	}
 
+	memset(&header ,0,sizeof(header));
+	WriteFile(s->fd,&header,sizeof(header), &bytes_written, NULL);
+	if (bytes_written!=sizeof(header)){
+		ms_warning("Fail to write wav header.");
+	}
+
 	s->state=Stopped;
 	ms_mutex_unlock(&f->lock);
 	return 0;