diff --git a/apex/apex.go b/apex/apex.go
index 5155e58..4a20936 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -1479,7 +1479,7 @@
 func PrebuiltFactory() android.Module {
 	module := &Prebuilt{}
 	module.AddProperties(&module.properties)
-	android.InitSingleSourcePrebuiltModule(module, &module.properties.Source)
+	android.InitSingleSourcePrebuiltModule(module, &module.properties, "Source")
 	android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
 	return module
 }