diff --git a/x11/hypridle/Makefile b/x11/hypridle/Makefile
index 6dddb29d3c3a..c5988f82acb6 100644
--- a/x11/hypridle/Makefile
+++ b/x11/hypridle/Makefile
@@ -1,38 +1,44 @@
 PORTNAME=	hypridle
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.1.0
 CATEGORIES=	x11 wayland
 
 PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
 PATCHFILES+=	56f334cbe867.patch:-p1 # https://github.com/hyprwm/hypridle/issues/7
 PATCHFILES+=	ea8588fefbe5.patch:-p1 # https://github.com/hyprwm/hypridle/pull/19
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	Hyprland's idle daemon #'
 WWW=		https://github.com/hyprwm/hypridle
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	wayland-protocols>0:graphics/wayland-protocols
 LIB_DEPENDS=	libhyprlang.so:devel/hyprlang \
 		libsdbus-c++.so:devel/sdbus-cpp \
 		libwayland-client.so:graphics/wayland
 
 USES=		compiler:c++11-lib cmake pkgconfig
 USE_GITHUB=	yes
 GH_ACCOUNT=	hyprwm
 LDFLAGS+=	-Wl,--as-needed # sdbus-cpp deps
 PLIST_FILES=	bin/${PORTNAME}
 
+# XXX Drop after FreeBSD 14.0 EOL around 2025-03-01
+.if exists(/usr/include/c++/v1/__format/format_functions.h) && \
+   !exists(/usr/include/c++/v1/__format/write_escaped.h)
+CXXFLAGS+=	-fexperimental-library
+.endif
+
 post-patch:
 # https://github.com/ConsoleKit2/ConsoleKit2/issues/150
 # https://github.com/ConsoleKit2/ConsoleKit2/issues/151
 	@${REINPLACE_CMD} -e 's,/login1,/ConsoleKit/Manager,' \
 		-e 's,login1,ConsoleKit,' \
 		-e 's,logind,consolekit2,' \
 		-e 's,GetSession,&ByPID,' \
 		-e 's,"auto",uint32_t{getpid()},' \
 		${WRKSRC}/src/core/Hypridle.cpp
 
 .include <bsd.port.mk>