diff --git a/comms/opencbm/files/patch-opencbm_sys_freebsd_opencbm.c b/comms/opencbm/files/patch-opencbm_sys_freebsd_opencbm.c
new file mode 100644
--- /dev/null
+++ b/comms/opencbm/files/patch-opencbm_sys_freebsd_opencbm.c
@@ -0,0 +1,25 @@
+--- opencbm/sys/freebsd/opencbm.c.orig	2022-05-13 16:48:06 UTC
++++ opencbm/sys/freebsd/opencbm.c
+@@ -133,8 +133,6 @@ static struct cdevsw cbm_cdevsw = {
+     .d_name = CBM_NAME
+ };
+ 
+-static devclass_t cbm_devclass;
+-
+ /* forward references for parallel burst routines */
+ int cbm_parallel_burst_read_track(struct cbm_data *sc, device_t ppbus,
+         unsigned char *buffer);
+@@ -930,7 +928,13 @@ static driver_t cbm_driver = {
+     sizeof(struct cbm_data)
+ };
+ 
++#if __FreeBSD_version >= 1400058
++DRIVER_MODULE(cbm, ppbus, cbm_driver, 0, 0);
++#else
++static devclass_t cbm_devclass;
++
+ DRIVER_MODULE(cbm, ppbus, cbm_driver, cbm_devclass, 0, 0);
++#endif
+ MODULE_DEPEND(cbm, ppbus, 1, 1, 1);
+ 
+ /*