diff --git a/lib/gssapi/delete_sec_context.c b/lib/gssapi/delete_sec_context.c
index 755408647..26516a9c2 100644
--- a/lib/gssapi/delete_sec_context.c
+++ b/lib/gssapi/delete_sec_context.c
@@ -42,6 +42,10 @@ OM_uint32 gss_delete_sec_context
            )
 {
   gssapi_krb5_init ();
+
+  output_token->length = 0;
+  output_token->value  = NULL;
+
   krb5_auth_con_free (gssapi_krb5_context,
 		      (*context_handle)->auth_context);
   if((*context_handle)->source)
diff --git a/lib/gssapi/krb5/delete_sec_context.c b/lib/gssapi/krb5/delete_sec_context.c
index 755408647..26516a9c2 100644
--- a/lib/gssapi/krb5/delete_sec_context.c
+++ b/lib/gssapi/krb5/delete_sec_context.c
@@ -42,6 +42,10 @@ OM_uint32 gss_delete_sec_context
            )
 {
   gssapi_krb5_init ();
+
+  output_token->length = 0;
+  output_token->value  = NULL;
+
   krb5_auth_con_free (gssapi_krb5_context,
 		      (*context_handle)->auth_context);
   if((*context_handle)->source)