diff --git a/buffer/prs_readblob.c b/buffer/prs_readblob.c
index 059d0e7..bccac50 100644
--- a/buffer/prs_readblob.c
+++ b/buffer/prs_readblob.c
@@ -29,7 +29,6 @@ ssize_t prs_readblob(struct bytestream* bs,unsigned char* dest,size_t destlen) {
     break;
 
   case BSTREAM:
-    bs->cur += destlen;
     r=prs_readblob(bs->u.bs, dest, destlen);
     if (r != (ssize_t)destlen) {
       bs->cur = 1;	// set bytestream to error state