diff --git a/mlock/mlock_unavail.go b/mlock/mlock_unavail.go
index 29c927e..b2b9e01 100644
--- a/mlock/mlock_unavail.go
+++ b/mlock/mlock_unavail.go
@@ -1,8 +1,8 @@
 // Copyright IBM Corp. 2020, 2025
 // SPDX-License-Identifier: MPL-2.0
 
-//go:build darwin || nacl || netbsd || plan9 || windows || js
-// +build darwin nacl netbsd plan9 windows js
+//go:build !aix && !dragonfly && !freebsd && !linux && !openbsd && !solaris
+// +build !aix,!dragonfly,!freebsd,!linux,!openbsd,!solaris
 
 package mlock
 
diff --git a/mlock/mlock_unix.go b/mlock/mlock_unix.go
index e0f6ca0..4e50e1a 100644
--- a/mlock/mlock_unix.go
+++ b/mlock/mlock_unix.go
@@ -1,7 +1,8 @@
 // Copyright IBM Corp. 2020, 2025
 // SPDX-License-Identifier: MPL-2.0
 
-// +build dragonfly freebsd linux openbsd solaris
+//go:build aix || dragonfly || freebsd || linux || openbsd || solaris
+// +build aix dragonfly freebsd linux openbsd solaris
 
 package mlock