diff --git a/lib/krb5/krb5_locl.h b/lib/krb5/krb5_locl.h
index e77e28699..cbae8b273 100644
--- a/lib/krb5/krb5_locl.h
+++ b/lib/krb5/krb5_locl.h
@@ -236,6 +236,7 @@ typedef struct krb5_context_data {
     char error_buf[256];
     krb5_addresses *ignore_addresses;
     char *default_cc_name;
+    char *default_cc_name_env;
     void *mutex;			/* protects error_string/error_buf */
     int large_msg_size;
     int dns_canonicalize_hostname;