diff -ur globus_ftp_control-4.5.orig/globus_ftp_control_client.c globus_ftp_control-4.5/globus_ftp_control_client.c
--- globus_ftp_control-4.5.orig/globus_ftp_control_client.c	2013-01-24 06:12:07.000000000 +0100
+++ globus_ftp_control-4.5/globus_ftp_control_client.c	2013-02-27 15:59:45.327506369 +0100
@@ -1629,7 +1629,7 @@
     }
     
     /* Do limited delegation */
-    auth_info->req_flags |= 
+    tmp_auth_info.req_flags |= 
         GSS_C_GLOBUS_LIMITED_DELEG_PROXY_FLAG|GSS_C_DELEG_FLAG;
 
     result = globus_ftp_control_authenticate_ex(