diff --git a/comms/sdr-wspr/Makefile b/comms/sdr-wspr/Makefile
index 42eb2c2be803..8ac86f55c4e5 100644
--- a/comms/sdr-wspr/Makefile
+++ b/comms/sdr-wspr/Makefile
@@ -1,24 +1,26 @@
 PORTNAME=	sdr-wspr
 PORTVERSION=	0.1.0
 DISTVERSIONPREFIX=	v
 PORTREVISION=	12
 CATEGORIES=	comms hamradio
 
 MAINTAINER=	jeff@baitis.net
 COMMENT=	WSPR receiver/decoder using libsdr
 WWW=		https://github.com/hmatuschek/sdr-wspr
 
 LICENSE=	GPLv3
 
+BROKEN_FreeBSD_14=	fails to build: non-floating-point argument in call to function '__builtin_isfinite'
+
 LIB_DEPENDS=	libsdr-gui.so:comms/libsdr-gui
 
 USES=		cmake compiler:gcc-c++11-lib fortran pkgconfig qt:5
 USE_GITHUB=	yes
 GH_ACCOUNT=	hmatuschek
 USE_QT=		core buildtools:build qmake webkit widgets
 
 PLIST_FILES=	bin/sdr-wspr share/applications/sdr-wspr.desktop \
 		share/icons/sdr-wspr.svg
 CMAKE_ARGS=	-DCMAKE_INSTALL_RPATH:STRING="${LOCALBASE}/lib/gcc${_GCC_VER}"
 
 .include <bsd.port.mk>