diff --git a/lib/gssapi/gssapi/gssapi_krb5.h b/lib/gssapi/gssapi/gssapi_krb5.h
index 3f1c9f4f4..98b4a0261 100644
--- a/lib/gssapi/gssapi/gssapi_krb5.h
+++ b/lib/gssapi/gssapi/gssapi_krb5.h
@@ -71,6 +71,7 @@ extern gss_OID GSS_KRB5_EXPORT_LUCID_CONTEXT_X;
 extern gss_OID GSS_KRB5_EXPORT_LUCID_CONTEXT_V1_X;
 extern gss_OID GSS_KRB5_GET_SUBKEY_X;
 extern gss_OID GSS_KRB5_GET_INITIATOR_SUBKEY_X;
+extern gss_OID GSS_KRB5_GET_ACCEPTOR_SUBKEY_X;
 /* Extensions creds */
 extern gss_OID GSS_KRB5_IMPORT_CRED_X;