diff --git a/lib/krb5/libkrb5-exports.def.in b/lib/krb5/libkrb5-exports.def.in
index a35e3961d..9b29d0e02 100644
--- a/lib/krb5/libkrb5-exports.def.in
+++ b/lib/krb5/libkrb5-exports.def.in
@@ -522,6 +522,7 @@ EXPORTS
 	krb5_principal_get_type
 	krb5_principal_is_anonymous
 	krb5_principal_is_krbtgt
+	krb5_principal_is_root_krbtgt
 	krb5_principal_match
 	krb5_principal_set_comp_string
 	krb5_principal_set_realm
diff --git a/lib/krb5/version-script.map b/lib/krb5/version-script.map
index 5d0581b70..3af6a205b 100644
--- a/lib/krb5/version-script.map
+++ b/lib/krb5/version-script.map
@@ -519,6 +519,7 @@ HEIMDAL_KRB5_2.0 {
 		krb5_principal_set_type;
 		krb5_principal_is_anonymous;
 		krb5_principal_is_krbtgt;
+		krb5_principal_is_root_krbtgt;
 		krb5_print_address;
 		krb5_program_setup;
 		krb5_prompter_posix;