diff --git a/buffer/bs_seterrorstate.c b/buffer/bs_seterrorstate.c
index ec32b2c..afd23ae 100644
--- a/buffer/bs_seterrorstate.c
+++ b/buffer/bs_seterrorstate.c
@@ -3,4 +3,6 @@
 void bs_seterrorstate(struct bytestream* b) {
   b->cur = 1;
   b->max = 0;
+  if (b->type == BSTREAM)
+    bs_seterrorstate(b->u.bs);
 }