diff --git a/lib/gssapi/gssapi.h b/lib/gssapi/gssapi.h
index b89d184b3..e3e3384e4 100644
--- a/lib/gssapi/gssapi.h
+++ b/lib/gssapi/gssapi.h
@@ -321,6 +321,7 @@ extern gss_OID GSS_KRB5_COPY_CCACHE_X;
 extern gss_OID GSS_KRB5_GET_TKT_FLAGS_X;
 extern gss_OID GSS_KRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT_X;
 extern gss_OID GSS_KRB5_COMPAT_DES3_MIC_X;
+extern gss_OID GSS_KRB5_REGISTER_ACCEPTOR_IDENTITY_X;
 /* Extensions creds */
 extern gss_OID GSS_KRB5_IMPORT_CRED_X;