diff --git a/www/mod_auth_kerb2/Makefile b/www/mod_auth_kerb2/Makefile
index e43a2e6bd601..976f9210e1c3 100644
--- a/www/mod_auth_kerb2/Makefile
+++ b/www/mod_auth_kerb2/Makefile
@@ -30,6 +30,7 @@ GSSAPI_MIT_DESC=	Use MIT implementation of GSS API
 GSSAPI_DESC=		Use Base version of GSS API
 GSSAPI_BASE_USES=	gssapi
 GSSAPI_HEIMDAL_USES=	gssapi:heimdal
+GSSAPI_HEIMDAL_EXTRA_PATCHES=	${PATCHDIR}/extra-patch-src__mod_auth_kerb.c
 GSSAPI_MIT_USES=	gssapi:mit
 
 .include <bsd.port.mk>
diff --git a/www/mod_auth_kerb2/files/extra-patch-src__mod_auth_kerb.c b/www/mod_auth_kerb2/files/extra-patch-src__mod_auth_kerb.c
new file mode 100644
index 000000000000..8917c87b05c7
--- /dev/null
+++ b/www/mod_auth_kerb2/files/extra-patch-src__mod_auth_kerb.c
@@ -0,0 +1,11 @@
+--- src/mod_auth_kerb.c.orig	2008-12-04 10:14:03 UTC
++++ src/mod_auth_kerb.c
+@@ -1319,7 +1319,7 @@ authenticate_user_gss(request_rec *r, kerb_auth_config
+   gss_name_t client_name = GSS_C_NO_NAME;
+   gss_cred_id_t delegated_cred = GSS_C_NO_CREDENTIAL;
+   OM_uint32 (KRB5_LIB_FUNCTION *accept_sec_token)
+-     			 (OM_uint32 *, gss_ctx_id_t *, const gss_cred_id_t,
++     			 (OM_uint32 *, gss_ctx_id_t *, gss_const_cred_id_t,
+ 			 const gss_buffer_t, const gss_channel_bindings_t,
+ 			 gss_name_t *, gss_OID *, gss_buffer_t, OM_uint32 *,
+ 			 OM_uint32 *, gss_cred_id_t *);