--- a/include/configs/atngw100.h
+++ b/include/configs/atngw100.h
@@ -65,6 +65,7 @@
 
 /* User serviceable stuff */
 #define CONFIG_DOS_PARTITION		1
+#define CONFIG_LZMA			1
 
 #define CONFIG_CMDLINE_TAG		1
 #define CONFIG_SETUP_MEMORY_TAGS	1