diff --git a/src/http/ngx_http_spdy.c b/src/http/ngx_http_spdy.c
index 33f0f03..4f3ea1e 100644
--- a/src/http/ngx_http_spdy.c
+++ b/src/http/ngx_http_spdy.c
@@ -1421,7 +1421,7 @@
         ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
                       "client violated connection flow control: length of "
                       "received DATA frame %uz, while available window %uz",
-                      stream->id, sc->length, sc->recv_window);
+                      sc->length, sc->recv_window);
 
         return ngx_http_spdy_state_protocol_error(sc);
     }