diff --git a/kernel/branches/net/applications/ftpd/commands.inc b/kernel/branches/net/applications/ftpd/commands.inc
index 39ed24539c..27afbec21f 100644
--- a/kernel/branches/net/applications/ftpd/commands.inc
+++ b/kernel/branches/net/applications/ftpd/commands.inc
@@ -1074,6 +1074,8 @@ cmdTYPE:
         je      .telnet
         cmp     al, 'C'
         je      .asacc
+        cmp     al, 0x20
+        jb      .non_print
 
         jmp     parse_cmd.error