diff --git a/plugins/python/wsgi_headers.c b/plugins/python/wsgi_headers.c
index bb8a689e..afd7fab2 100644
--- a/plugins/python/wsgi_headers.c
+++ b/plugins/python/wsgi_headers.c
@@ -191,9 +191,6 @@ PyObject *py_uwsgi_spit(PyObject * self, PyObject * args) {
 		UWSGI_RELEASE_GIL
 		iov_ret = wsgi_req->socket->proto_writev_header(wsgi_req, iov_ptr, iov_size);
 		UWSGI_GET_GIL
-		if (iov_ret < 0) {
-			uwsgi_error("writev()");
-		}
 		wsgi_req->headers_size += iov_ret;
 		iov_ptr += iov_size;
 		remains -= iov_size;
@@ -202,9 +199,6 @@ PyObject *py_uwsgi_spit(PyObject * self, PyObject * args) {
 	UWSGI_RELEASE_GIL
 		wsgi_req->headers_size = wsgi_req->socket->proto_writev_header(wsgi_req, wsgi_req->hvec, j + 1);
 	UWSGI_GET_GIL
-		if (wsgi_req->headers_size < 0) {
-			uwsgi_error("writev()");
-		}
 #endif
 
 	//uwsgi_log("%d %p\n", wsgi_req->poll.fd, up.wsgi_writeout);