diff --git a/vendor/x11/xlib/xlib_const.odin b/vendor/x11/xlib/xlib_const.odin
index 87b13479e..910940dec 100644
--- a/vendor/x11/xlib/xlib_const.odin
+++ b/vendor/x11/xlib/xlib_const.odin
@@ -1,4 +1,4 @@
-
+//+build linux, freebsd, openbsd
 package xlib
 
 // Special values for many types. Most of these constants
diff --git a/vendor/x11/xlib/xlib_keysym.odin b/vendor/x11/xlib/xlib_keysym.odin
index c712bf784..594d966a4 100644
--- a/vendor/x11/xlib/xlib_keysym.odin
+++ b/vendor/x11/xlib/xlib_keysym.odin
@@ -1,4 +1,4 @@
-
+//+build linux, freebsd, openbsd
 package xlib
 
 KeySym :: enum u32 {