diff --git a/src/os/unix/ngx_solaris_init.c b/src/os/unix/ngx_solaris_init.c
index b2aba61..8f2e484 100644
--- a/src/os/unix/ngx_solaris_init.c
+++ b/src/os/unix/ngx_solaris_init.c
@@ -10,7 +10,7 @@
 
 ngx_os_io_t ngx_os_io = {
     ngx_unix_recv,
-    NULL,
+    ngx_readv_chain,
     NULL,
 #if (HAVE_SENDFILE)
     ngx_solaris_sendfilev_chain,