diff --git a/authfs/Android.bp b/authfs/Android.bp
index 154a1d6..a4151c2 100644
--- a/authfs/Android.bp
+++ b/authfs/Android.bp
@@ -33,7 +33,10 @@
             enabled: false,
         },
     },
-    defaults: ["crosvm_defaults"],
+    defaults: [
+        "crosvm_defaults",
+        "avf_build_flags_rust",
+    ],
 }
 
 rust_binary {