diff --git a/hgsane/sane_hg_mdw.cpp b/hgsane/sane_hg_mdw.cpp
index ea7f5ad..186ec86 100644
--- a/hgsane/sane_hg_mdw.cpp
+++ b/hgsane/sane_hg_mdw.cpp
@@ -342,6 +342,7 @@ namespace local_utility
 		TRY_MATCH(LANGUAGE);
 		TRY_MATCH(INITIAL_BOOT_TIME);
 		TRY_MATCH(DISCARDBLANK);
+		TRY_MATCH(LENS_DIRTY);
 		
 		//TRY_MATCH(HISTORY_COUNT);
 		//TRY_MATCH(DRIVER_VERSION);