diff --git a/sysutils/py-psutil/Makefile b/sysutils/py-psutil/Makefile
index a17f74b073d1..8722ee5280e3 100644
--- a/sysutils/py-psutil/Makefile
+++ b/sysutils/py-psutil/Makefile
@@ -1,25 +1,26 @@
 # Created by: Ju Pengfei <jupengfei@gmail.com>
 
 PORTNAME=	psutil
 PORTVERSION=	5.9.1
+PORTREVISION=	1
 CATEGORIES=	sysutils python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Process utilities module for Python
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cpe python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 CONFLICTS_INSTALL=	${PYTHON_PKGNAMEPREFIX}psutil121
 
 CPE_VENDOR=	psutil_project
 
 post-install:
 	${FIND} ${STAGEDIR}${PYTHON_SITELIBDIR} -name '*.so' -exec ${STRIP_CMD} {} +
 
 .include <bsd.port.mk>
diff --git a/sysutils/py-psutil/files/patch-psutil_arch_freebsd_mem.c b/sysutils/py-psutil/files/patch-psutil_arch_freebsd_mem.c
new file mode 100644
index 000000000000..cbe44517b448
--- /dev/null
+++ b/sysutils/py-psutil/files/patch-psutil_arch_freebsd_mem.c
@@ -0,0 +1,10 @@
+--- psutil/arch/freebsd/mem.c.orig	2022-01-17 12:10:50 UTC
++++ psutil/arch/freebsd/mem.c
+@@ -6,6 +6,7 @@
+ 
+ 
+ #include <Python.h>
++#include <sys/param.h>
+ #include <sys/sysctl.h>
+ #include <sys/vmmeter.h>
+ #include <vm/vm_param.h>