diff --git a/src/http/ngx_http_spdy.c b/src/http/ngx_http_spdy.c
index 46467ac..a01e0b1 100644
--- a/src/http/ngx_http_spdy.c
+++ b/src/http/ngx_http_spdy.c
@@ -378,6 +378,11 @@
         return;
     }
 
+    if (sc->last_out && ngx_http_spdy_send_output_queue(sc) == NGX_ERROR) {
+        ngx_http_spdy_finalize_connection(sc, NGX_HTTP_CLIENT_CLOSED_REQUEST);
+        return;
+    }
+
     sc->blocked = 0;
 
     if (sc->processing) {