diff --git a/lib/krb5/init_creds.c b/lib/krb5/init_creds.c
index 83959a499..008eaef98 100644
--- a/lib/krb5/init_creds.c
+++ b/lib/krb5/init_creds.c
@@ -408,3 +408,17 @@ krb5_get_init_creds_opt_set_addressless(krb5_context context,
 	opt->opt_private->addressless = KRB5_INIT_CREDS_TRISTATE_FALSE;
     return 0;
 }
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_get_init_creds_opt_set_canonicalize(krb5_context context,
+					 krb5_get_init_creds_opt *opt,
+					 krb5_boolean req)
+{
+    krb5_error_code ret;
+    ret = require_ext_opt(context, opt, "init_creds_opt_set_canonicalize");
+    if (ret)
+	return ret;
+    opt->opt_private->canonicalize = req;
+    return 0;
+}
+