diff --git a/java/aar.go b/java/aar.go
index e0bea5d..201e590 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -34,8 +34,12 @@
 }
 
 func init() {
-	android.RegisterModuleType("android_library_import", AARImportFactory)
-	android.RegisterModuleType("android_library", AndroidLibraryFactory)
+	RegisterAARBuildComponents(android.InitRegistrationContext)
+}
+
+func RegisterAARBuildComponents(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("android_library_import", AARImportFactory)
+	ctx.RegisterModuleType("android_library", AndroidLibraryFactory)
 }
 
 //