diff --git a/java/java.go b/java/java.go
index a2ba7e6..38c89f4 100644
--- a/java/java.go
+++ b/java/java.go
@@ -631,7 +631,8 @@
 	aidlIncludes = append(aidlIncludes,
 		android.PathsForSource(ctx, j.deviceProperties.Aidl.Include_dirs)...)
 
-	var flags []string
+	flags := []string{"-b"}
+
 	if aidlPreprocess.Valid() {
 		flags = append(flags, "-p"+aidlPreprocess.String())
 	} else {