diff --git a/dexpreopt/config.go b/dexpreopt/config.go
index 2a929c5..720f79e 100644
--- a/dexpreopt/config.go
+++ b/dexpreopt/config.go
@@ -30,6 +30,8 @@
 
 	OnlyPreoptBootImageAndSystemServer bool // only preopt jars in the boot image or system server
 
+	UseArtImage bool // use the art image (use other boot class path dex files without image)
+
 	GenerateApexImage bool // generate an extra boot image only containing jars from the runtime apex
 	UseApexImage      bool // use the apex image by default