diff --git a/libc/async_safe/Android.bp b/libc/async_safe/Android.bp
index 9e36d97..a835697 100644
--- a/libc/async_safe/Android.bp
+++ b/libc/async_safe/Android.bp
@@ -8,6 +8,7 @@
     ],
 
     name: "libasync_safe",
+    vendor_available: true,
 
     include_dirs: ["bionic/libc"],