diff --git a/common/hush.c b/common/hush.c
index df10267..5b43224 100644
--- a/common/hush.c
+++ b/common/hush.c
@@ -996,7 +996,7 @@
 	i->p = the_command;
 #else
 	int n;
-	static char the_command[CONFIG_SYS_CBSIZE];
+	static char the_command[CONFIG_SYS_CBSIZE + 1];
 
 #ifdef CONFIG_BOOT_RETRY_TIME
 #  ifndef CONFIG_RESET_TO_RETRY