diff --git a/nshlib/nsh_syscmds.c b/nshlib/nsh_syscmds.c
index 15ca82c4650..8ddda99a8e6 100644
--- a/nshlib/nsh_syscmds.c
+++ b/nshlib/nsh_syscmds.c
@@ -422,7 +422,7 @@ int cmd_boot(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
         /* Go through */
 
       case 1:
-        fullpath = nsh_getfullpath(vtbl, argv[1]);
+        fullpath = argv[1] ? nsh_getfullpath(vtbl, argv[1]) : NULL;
         info.path = fullpath;
 
         /* Go through */