diff --git a/src/stream.c b/src/stream.c
index 4e34f38..1aa5475 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -1881,6 +1881,7 @@
 
 		rp_cons_last = si_f->state;
 		rp_prod_last = si_b->state;
+		res->flags &= ~CF_WAKE_ONCE;
 		rpf_last = res->flags;
 
 		if ((res->flags ^ flags) & CF_MASK_STATIC)