diff --git a/devel/aixlog/Makefile b/devel/aixlog/Makefile
index afa1d549970b..b7e697bc0678 100644
--- a/devel/aixlog/Makefile
+++ b/devel/aixlog/Makefile
@@ -1,25 +1,26 @@
 PORTNAME=	aixlog
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.5.0
 PORTREVISION=	1
 CATEGORIES=	devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Header-only C++ logging library
 WWW=		https://github.com/badaix/aixlog
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cmake
 USE_GITHUB=	yes
 GH_ACCOUNT=	badaix
 
 CMAKE_OFF=	BUILD_EXAMPLE
+CMAKE_ARGS=	-DCMAKE_POLICY_VERSION_MINIMUM:STRING=3.5 # CMake 4 compatibility, see https://github.com/badaix/aixlog/issues/25
 
 NO_BUILD=	yes
 NO_ARCH=	yes
 
 PLIST_FILES=	include/aixlog.hpp
 
 .include <bsd.port.mk>