diff --git a/graphics/nsxiv/Makefile b/graphics/nsxiv/Makefile
index 2c39c88d7894ed4b67ac94a200be3ddf10afbe80..cfe44933beacc053c13c41f44fe99bc615c52af0 100644
--- a/graphics/nsxiv/Makefile
+++ b/graphics/nsxiv/Makefile
@@ -23,7 +23,7 @@ USES=		desktop-file-utils gmake localbase:ldflags pkgconfig xorg
 USE_GITHUB=	yes
 USE_XORG=	x11 xft
 
-MAKE_ARGS=	MANPREFIX=${MANPREFIX}/share/man
+MAKE_ARGS=	MANPREFIX=${PREFIX}/share/man
 MAKE_ENV=	EGPREFIX=${EXAMPLESDIR} LDLIBS=-linotify
 
 INSTALL_TARGET=	install-all