diff -Naur a/src/framing.c b/src/framing.c
--- a/src/framing.c	2019-08-12 11:56:41.000000000 -0700
+++ b/src/framing.c	2019-12-09 20:18:17.011484000 -0800
@@ -1564,7 +1564,7 @@
             byteskipcount=byteskip;
           }
 
-          ogg_sync_wrote(&oy,next-buf);
+          ogg_sync_wrote(&oy,(long)(next-buf));
 
           while(1){
             int ret=ogg_sync_pageout(&oy,&og_de);