diff --git a/sysutils/gsmartcontrol/Makefile b/sysutils/gsmartcontrol/Makefile
index 42acc710a6de..6301fa7ebb77 100644
--- a/sysutils/gsmartcontrol/Makefile
+++ b/sysutils/gsmartcontrol/Makefile
@@ -1,46 +1,48 @@
 # Created by: Pawel Pekala <c0rn@o2.pl>
 
 PORTNAME=	gsmartcontrol
 PORTVERSION=	1.1.3
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	sysutils
 MASTER_SITES=	SF/${PORTNAME}/${PORTVERSION}
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Graphical user interface for smartmontools
 
 LICENSE=	BSD3CLAUSE BSL GPLv2 GPLv3 PD ZLIB
 LICENSE_COMB=	multi
 LICENSE_FILE_BSD3CLAUSE=${WRKSRC}/LICENSE_bsd-ac.txt
 LICENSE_FILE_BSL=	${WRKSRC}/LICENSE_boost_1_0.txt
 LICENSE_FILE_GPLv2=	${WRKSRC}/LICENSE_gpl2.txt
 LICENSE_FILE_GPLv3=	${WRKSRC}/LICENSE_gpl3.txt
 LICENSE_FILE_PD=	${WRKSRC}/LICENSE_unlicense.txt
 LICENSE_FILE_ZLIB=	${WRKSRC}/LICENSE_zlib.txt
 
 LIB_DEPENDS=	libpcre.so:devel/pcre
 RUN_DEPENDS=	bash:shells/bash \
 		pkexec:sysutils/polkit \
 		smartctl:sysutils/smartmontools \
 		xterm:x11/xterm
 
 USES=		compiler:c++11-lang gnome libtool pkgconfig tar:bzip2
 USE_CXXSTD=	c++11
 USE_GNOME=	atkmm cairo glibmm gtk30 gtkmm30 libsigc++20 pangomm
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-libglade
 
 OPTIONS_DEFINE=	DOCS
 
 post-patch:
 # Avoid conflict with C++20 <version> by ignoring <...> under WRKSRC
 	@${REINPLACE_CMD} -i .c++20 '/ADDITIONAL_INCLUDES/s/-I/-iquote/g' \
 		${WRKSRC}/configure
 	@${REINPLACE_CMD} -i .c++20 's/-I/-iquote/g' \
 		${WRKSRC}/src/Makefile.in \
 		${WRKSRC}/src/*/Makefile.in
 	@${REINPLACE_CMD} -i .c++20 '/config\.h/y/<>/""/' \
 		${WRKSRC}/src/global_macros.h
+	@${REINPLACE_CMD} -i '' 's|%%PREFIX%%|${PREFIX}|g' \
+		${WRKSRC}/data/org.gsmartcontrol.policy
 
 .include <bsd.port.mk>
diff --git a/sysutils/gsmartcontrol/files/patch-data_org.gsmartcontrol.policy b/sysutils/gsmartcontrol/files/patch-data_org.gsmartcontrol.policy
new file mode 100644
index 000000000000..8cb3cbda9556
--- /dev/null
+++ b/sysutils/gsmartcontrol/files/patch-data_org.gsmartcontrol.policy
@@ -0,0 +1,11 @@
+--- data/org.gsmartcontrol.policy.orig	2017-08-27 18:49:36.000000000 +0200
++++ data/org.gsmartcontrol.policy	2021-02-02 21:41:16.437199000 +0100
+@@ -12,7 +12,7 @@
+       <allow_inactive>auth_admin</allow_inactive>
+       <allow_active>auth_admin</allow_active>
+     </defaults>
+-    <annotate key="org.freedesktop.policykit.exec.path">/usr/sbin/gsmartcontrol</annotate>
++    <annotate key="org.freedesktop.policykit.exec.path">%%PREFIX%%/sbin/gsmartcontrol</annotate>
+     <annotate key="org.freedesktop.policykit.exec.allow_gui">true</annotate>
+   </action>
+