diff --git a/comms/inspectrum/Makefile b/comms/inspectrum/Makefile
index 5de2d1509a3a..f06c406762a1 100644
--- a/comms/inspectrum/Makefile
+++ b/comms/inspectrum/Makefile
@@ -1,26 +1,29 @@
 PORTNAME=	inspectrum
 DISTVERSIONPREFIX=     v
 PORTVERSION=   0.4.0
+PORTREVISION=	1
 CATEGORIES=	comms hamradio
 
 MAINTAINER=	mr@FreeBSD.org
 COMMENT=	Offline radio signal analyser
 WWW=		https://github.com/miek/inspectrum
 
 LICENSE=	GPLv3
 
 LIB_DEPENDS=	libfftw3.so:math/fftw3 \
 		libfftw3f.so:math/fftw3-float \
 		libliquid.so:comms/liquid-dsp
 
 CMAKE_INSTALL_PREFIX=	${STAGEDIR}${PREFIX}
 
-USES=		cmake compiler:c++11-lang pkgconfig qmake qt:5
+USES=		cmake compiler:c++11-lang pkgconfig qt:6
 USE_GITHUB=	yes
 GH_ACCOUNT=	miek
 #GH_TAGNAME=	d6115cb458068fa64c7bbd9020bcbab3373fee0e
 
-USE_QT=		core buildtools:build concurrent gui widgets
+#USE_QT=		core buildtools:build concurrent gui widgets
+USE_QT=		base
 USE_LDCONFIG=	yes
+CMAKE_INSTALL_PREFIX=	${PREFIX}
 
 .include <bsd.port.mk>