diff --git a/lib/gssapi/mech/gss_mech_switch.c b/lib/gssapi/mech/gss_mech_switch.c
index 5dcc15200..1ccc21400 100644
--- a/lib/gssapi/mech/gss_mech_switch.c
+++ b/lib/gssapi/mech/gss_mech_switch.c
@@ -214,6 +214,7 @@ _gss_load_mech(void)
 
 	add_builtin(__gss_krb5_initialize());
 	add_builtin(__gss_spnego_initialize());
+	add_builtin(__gss_ntlm_initialize());
 
 	fp = fopen(_PATH_GSS_MECH, "r");
 	if (!fp) {