diff --git a/unix/syscall_illumos.go b/unix/syscall_illumos.go
index 16e40091..bbc4f3ea 100644
--- a/unix/syscall_illumos.go
+++ b/unix/syscall_illumos.go
@@ -56,7 +56,7 @@ func Pwritev(fd int, iovs [][]byte, off int64) (n int, err error) {
 	return n, err
 }
 
-//sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
+//sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) = libsocket.accept4
 
 func Accept4(fd int, flags int) (nfd int, sa Sockaddr, err error) {
 	var rsa RawSockaddrAny
diff --git a/unix/zsyscall_illumos_amd64.go b/unix/zsyscall_illumos_amd64.go
index 8b329c45..d3af083f 100644
--- a/unix/zsyscall_illumos_amd64.go
+++ b/unix/zsyscall_illumos_amd64.go
@@ -13,7 +13,7 @@ import (
 //go:cgo_import_dynamic libc_preadv preadv "libc.so"
 //go:cgo_import_dynamic libc_writev writev "libc.so"
 //go:cgo_import_dynamic libc_pwritev pwritev "libc.so"
-//go:cgo_import_dynamic libc_accept4 accept4 "libc.so"
+//go:cgo_import_dynamic libc_accept4 accept4 "libsocket.so"
 //go:cgo_import_dynamic libc_pipe2 pipe2 "libc.so"
 
 //go:linkname procreadv libc_readv