diff --git a/microdroid/initrd/Android.bp b/microdroid/initrd/Android.bp
index 699a28a..de28d8a 100644
--- a/microdroid/initrd/Android.bp
+++ b/microdroid/initrd/Android.bp
@@ -4,6 +4,7 @@
 
 rust_binary_host {
     name: "initrd_bootconfig",
+    defaults: ["avf_build_flags_rust"],
     srcs: ["src/main.rs"],
     rustlibs: [
         "libanyhow",
@@ -14,6 +15,7 @@
 
 rust_test_host {
     name: "initrd_bootconfig.test",
+    defaults: ["avf_build_flags_rust"],
     srcs: ["src/main.rs"],
     rustlibs: [
         "libanyhow",