diff --git a/x11/hyprcursor/Makefile b/x11/hyprcursor/Makefile
index 524e18e138fe..b9f4541f1904 100644
--- a/x11/hyprcursor/Makefile
+++ b/x11/hyprcursor/Makefile
@@ -1,28 +1,34 @@
 PORTNAME=	hyprcursor
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.1.4
 CATEGORIES=	x11
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	Hyprland cursor format, library and utilities
 WWW=		https://github.com/hyprwm/hyprcursor
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libzip.so:archivers/libzip \
 		libhyprlang.so:devel/hyprlang
 RUN_DEPENDS=	xcur2png:x11/xcur2png
 
 USES=		compiler:c++11-lib cmake:testing gnome pathfix pkgconfig
 USE_GITHUB=	yes
 USE_GNOME=	cairo librsvg2
 GH_ACCOUNT=	hyprwm
 PLIST_SUB=	VERSION=${DISTVERSION:C/-.*//}
 
+# 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:
 # Respect PREFIX for icons
 	@${REINPLACE_CMD} 's,/usr/share,${DATADIR:H},' \
 		${WRKSRC}/lib${PORTNAME}/${PORTNAME}.cpp
 
 .include <bsd.port.mk>