diff --git a/libc/async_safe/Android.bp b/libc/async_safe/Android.bp
index 6ae1c42..fbaaad1 100644
--- a/libc/async_safe/Android.bp
+++ b/libc/async_safe/Android.bp
@@ -22,6 +22,7 @@
 cc_library_headers {
     name: "libasync_safe_headers",
     recovery_available: true,
+    defaults: ["linux_bionic_supported"],
 
     export_include_dirs: ["include"],