diff --git a/unix/syscall_internal_linux_test.go b/unix/syscall_internal_linux_test.go
index e8b74917..8798d1bf 100644
--- a/unix/syscall_internal_linux_test.go
+++ b/unix/syscall_internal_linux_test.go
@@ -909,7 +909,7 @@ func sockaddrIUCVToAny(in RawSockaddrIUCV) *RawSockaddrAny {
 	var out RawSockaddrAny
 	copy(
 		(*(*[SizeofSockaddrAny]byte)(unsafe.Pointer(&out)))[:],
-		(*(*[SizeofSockaddrUnix]byte)(unsafe.Pointer(&in)))[:],
+		(*(*[SizeofSockaddrIUCV]byte)(unsafe.Pointer(&in)))[:],
 	)
 	return &out
 }