diff --git a/src/sample.c b/src/sample.c
index 8cc2234..353d6bb 100644
--- a/src/sample.c
+++ b/src/sample.c
@@ -1036,6 +1036,7 @@
 	p->px   = px;
 	p->sess = sess;
 	p->strm = strm;
+	p->opt  = opt;
 	if (!expr->fetch->process(opt, expr->arg_p, p, expr->fetch->kw, expr->fetch->private))
 		return NULL;