diff --git a/audio/mamba/Makefile b/audio/mamba/Makefile
index 0ba1c730ee1a..b9ba6d59da40 100644
--- a/audio/mamba/Makefile
+++ b/audio/mamba/Makefile
@@ -1,35 +1,35 @@
 PORTNAME=	mamba
 DISTVERSIONPREFIX=	v
 DISTVERSION=	2.1
 CATEGORIES=	audio
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Virtual MIDI keyboard
 
 LICENSE=	BSD0CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libasound.so:audio/alsa-lib \
 		libfluidsynth.so:audio/fluidsynth \
 		libjack.so:audio/jack \
 		liblo.so:audio/liblo \
 		libsmf.so:audio/libsmf
 
-USES=		compiler:c++11-lang desktop-file-utils gmake pkgconfig xorg
+USES=		compiler:c++11-lang desktop-file-utils gmake gnome pkgconfig xorg
 USE_GNOME=	cairo glib20 libsigc++20
 USE_XORG=	x11
 USE_BINUTILS=	yes # linking needs some GNU features, fails on 12 without this, see https://github.com/brummer10/GxPlugins.lv2/issues/9
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	brummer10
 GH_PROJECT=	Mamba
 GH_TUPLE=	brummer10:libxputty:b00d05c:libxputty/libxputty
 
 PLIST_FILES=	bin/mamba \
 		share/applications/Mamba.desktop \
 		share/pixmaps/Mamba.svg
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/mamba
 
 .include <bsd.port.mk>