diff --git a/src/stream.c b/src/stream.c
index 25618aebb..e19056e21 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -822,6 +822,7 @@ static int sess_update_st_cer(struct stream *s)
 			si->state = SI_ST_TAR;
 			si->exp = tick_add(now_ms, MS_TO_TICKS(delay));
 		}
+		si->flags &= ~SI_FL_ERR;
 		return 0;
 	}
 	return 0;
diff --git a/src/stream_interface.c b/src/stream_interface.c
index 1e944f1f5..da31482ee 100644
--- a/src/stream_interface.c
+++ b/src/stream_interface.c
@@ -830,8 +830,8 @@ void si_update_both(struct stream_interface *si_f, struct stream_interface *si_b
 	req->flags &= ~(CF_READ_NULL|CF_READ_PARTIAL|CF_READ_ATTACHED|CF_WRITE_NULL|CF_WRITE_PARTIAL);
 	res->flags &= ~(CF_READ_NULL|CF_READ_PARTIAL|CF_READ_ATTACHED|CF_WRITE_NULL|CF_WRITE_PARTIAL);
 
-	si_f->flags &= ~(SI_FL_ERR|SI_FL_EXP);
-	si_b->flags &= ~(SI_FL_ERR|SI_FL_EXP);
+	si_f->flags &= ~SI_FL_EXP;
+	si_b->flags &= ~SI_FL_EXP;
 
 	si_f->prev_state = si_f->state;
 	si_b->prev_state = si_b->state;