diff --git a/ui/build/config.go b/ui/build/config.go
index 045f674..1c2f73b 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -280,6 +280,10 @@
 	return shared.TempDirForOutDir(c.SoongOutDir())
 }
 
+func (c *configImpl) FileListDir() string {
+	return filepath.Join(c.OutDir(), ".module_paths")
+}
+
 func (c *configImpl) KatiSuffix() string {
 	if c.katiSuffix != "" {
 		return c.katiSuffix