diff --git a/lib/krb5/krb5.h b/lib/krb5/krb5.h
index 2a6f1173b..3fe4348fb 100644
--- a/lib/krb5/krb5.h
+++ b/lib/krb5/krb5.h
@@ -346,6 +346,7 @@ typedef union {
 #define KRB5_GC_EXPIRED_OK		(1U << 2)
 #define KRB5_GC_NO_STORE		(1U << 3)
 #define KRB5_GC_FORWARDABLE		(1U << 4)
+#define KRB5_GC_NO_TRANSIT_CHECK	(1U << 5)
 
 /* constants for compare_creds (and cc_retrieve_cred) */
 #define KRB5_TC_DONT_MATCH_REALM	(1U << 31)