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-rw-r--r--libguile/strports.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/strports.c b/libguile/strports.c
index 21bffde78..de9dfbc79 100644
--- a/libguile/strports.c
+++ b/libguile/strports.c
@@ -114,7 +114,7 @@ st_resize_port (scm_port_t *pt, off_t new_size)
/* reset buffer. */
{
- pt->stream = new_stream;
+ pt->stream = SCM_UNPACK (new_stream);
pt->read_buf = pt->write_buf = SCM_STRING_UCHARS (new_stream);
pt->read_pos = pt->write_pos = pt->write_buf + index;
pt->write_end = pt->write_buf + pt->write_buf_size;