diff --git a/security/py-yubikey-manager/Makefile b/security/py-yubikey-manager/Makefile
index b60103123654..89e0911599e4 100644
--- a/security/py-yubikey-manager/Makefile
+++ b/security/py-yubikey-manager/Makefile
@@ -1,30 +1,31 @@
 PORTNAME=	yubikey-manager
 PORTVERSION=	4.0.2
+PORTREVISION=	1
 CATEGORIES=	security python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	egypcio@FreeBSD.org
 COMMENT=	Python library and command line tool for configuring a YubiKey
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	${RUN_DEPENDS}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}click>0:devel/py-click@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}fido2>0:security/py-fido2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}openssl>0:security/py-openssl@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pyscard>0:security/py-pyscard@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pycrypto>0:security/py-pycrypto@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pyusb>0:devel/py-pyusb@${PY_FLAVOR} \
 		RSA_SecurID_getpasswd:devel/libccid \
 		pcsc-spy:devel/pcsc-lite \
 		u2f-host:security/libu2f-host \
 		ykpersonalize:security/ykpers
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/security/py-yubikey-manager/files/patch-ykman_hid_____init____.py b/security/py-yubikey-manager/files/patch-ykman_hid_____init____.py
new file mode 100644
index 000000000000..235da25bf84d
--- /dev/null
+++ b/security/py-yubikey-manager/files/patch-ykman_hid_____init____.py
@@ -0,0 +1,21 @@
+--- ykman/hid/__init__.py.orig	2021-04-12 07:23:08 UTC
++++ ykman/hid/__init__.py
+@@ -42,12 +42,15 @@ elif sys.platform.startswith("win32"):
+     from . import windows as backend
+ elif sys.platform.startswith("darwin"):
+     from . import macos as backend
++elif sys.platform.startswith("freebsd"):
++    backend = None
+ else:
+     raise Exception("Unsupported platform")
+ 
+-
+-list_otp_devices: Callable[[], List[OtpYubiKeyDevice]] = backend.list_devices
+-
++if backend is not None:
++    list_otp_devices: Callable[[], List[OtpYubiKeyDevice]] = backend.list_devices
++else:
++    list_otp_devices: Callable[[], List[OtpYubiKeyDevice]] = lambda: []
+ 
+ class CtapYubiKeyDevice(YkmanDevice):
+     """YubiKey FIDO USB HID device"""