diff --git a/common/lcd.c b/common/lcd.c
index 4155170..74a5c77 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -427,7 +427,7 @@
 U_BOOT_CMD(
 	cls,	1,	1,	lcd_clear,
 	"clear screen",
-	NULL
+	""
 );
 
 /*----------------------------------------------------------------------*/