diff --git a/include/config_cmd_default.h b/include/config_cmd_default.h
index 73c9544..e79a13b 100644
--- a/include/config_cmd_default.h
+++ b/include/config_cmd_default.h
@@ -21,6 +21,7 @@
 #define CONFIG_CMD_CONSOLE	/* coninfo			*/
 #define CONFIG_CMD_ECHO		/* echo arguments		*/
 #define CONFIG_CMD_EDITENV	/* editenv			*/
+#define CONFIG_CMD_ENV_EXISTS	/* query whether env variables exists */
 #define CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
 #define CONFIG_CMD_IMI		/* iminfo			*/
 #define CONFIG_CMD_ITEST	/* Integer (and string) test	*/