diff --git a/src/http/v3/ngx_http_v3_uni.c b/src/http/v3/ngx_http_v3_uni.c
index f00caaa..22ddaf3 100644
--- a/src/http/v3/ngx_http_v3_uni.c
+++ b/src/http/v3/ngx_http_v3_uni.c
@@ -747,7 +747,7 @@ ngx_http_v3_cancel_push(ngx_connection_t *c, uint64_t push_id)
 
     for (q = ngx_queue_head(&h3c->pushing);
          q != ngx_queue_sentinel(&h3c->pushing);
-         q = ngx_queue_next(&h3c->pushing))
+         q = ngx_queue_next(q))
     {
         push = (ngx_http_v3_push_t *) q;
 
diff --git a/src/stream/ngx_stream_write_filter_module.c b/src/stream/ngx_stream_write_filter_module.c
index 07dc7b5..d8a72f9 100644
--- a/src/stream/ngx_stream_write_filter_module.c
+++ b/src/stream/ngx_stream_write_filter_module.c
@@ -277,7 +277,12 @@ ngx_stream_write_filter(ngx_stream_session_t *s, ngx_chain_t *in,
     *out = chain;
 
     if (chain) {
-        if (c->shared) {
+        if (c->shared
+#if (NGX_STREAM_QUIC)
+            && c->quic == NULL
+#endif
+           )
+        {
             ngx_log_error(NGX_LOG_ALERT, c->log, 0,
                           "shared connection is busy");
             return NGX_ERROR;