diff --git a/appl/ftp/ftpd/auth.h b/appl/ftp/ftpd/auth.h
index cf2fbfa67..3fa2f7d0e 100644
--- a/appl/ftp/ftpd/auth.h
+++ b/appl/ftp/ftpd/auth.h
@@ -30,6 +30,8 @@ extern char *protection_names[];
 extern char *ftp_command;
 extern int prot_level;
 
+void delete_ftp_command(void);
+
 extern int data_protection;
 extern int buffer_size;
 extern unsigned char *data_buffer;