diff --git a/apex/apex.go b/apex/apex.go
index 7d6b7f0..8149102 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -547,6 +547,8 @@
 	// Suffix of module name in Android.mk
 	// ".flattened", ".apex", ".zipapex", or ""
 	suffix string
+
+	installedFilesFile android.WritablePath
 }
 
 func addDependenciesForNativeModules(ctx android.BottomUpMutatorContext,