diff --git a/japanese/kanjipad/Makefile b/japanese/kanjipad/Makefile
index 3b8545f16e3..96c9c4b44d4 100644
--- a/japanese/kanjipad/Makefile
+++ b/japanese/kanjipad/Makefile
@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.20 2019/07/12 21:02:22 sthen Exp $
+# $OpenBSD: Makefile,v 1.21 2021/08/28 09:03:46 cwen Exp $
 
 COMMENT=	Japanese handwriting recognition
 
 DISTNAME=	kanjipad-2.0.0
-REVISION=	7
+REVISION=	8
 CATEGORIES=	japanese
 
 HOMEPAGE=	https://fishsoup.net/software/kanjipad/
@@ -16,13 +16,18 @@ MASTER_SITES=	https://fishsoup.net/software/kanjipad/
 WANTLIB += X11 Xcomposite Xcursor Xdamage Xext Xfixes Xi Xinerama
 WANTLIB += Xrandr Xrender atk-1.0 c cairo fontconfig freetype
 WANTLIB += gdk-x11-2.0 gdk_pixbuf-2.0 gio-2.0 glib-2.0 gobject-2.0
-WANTLIB += gtk-x11-2.0 intl m pango-1.0 pangocairo-1.0 pangoft2-1.0
-WANTLIB += z
+WANTLIB += gtk-x11-2.0 harfbuzz intl pango-1.0 pangocairo-1.0
+WANTLIB += pangoft2-1.0 z
+
+# Needed for architectures not inlining sqrt(3), like powerpc
+WANTLIB += m
 
 LIB_DEPENDS=	devel/gettext,-runtime \
 		x11/gtk+2
 
-MAKE_FLAGS=OPTIMIZE='${CFLAGS}' PREFIX=${PREFIX}
+MAKE_FLAGS=OPTIMIZE="${CFLAGS}" LDFLAGS="${LDFLAGS}" PREFIX="${PREFIX}"
+
+LDFLAGS+=	-lm
 
 post-install:
 	${INSTALL_DATA_DIR} ${PREFIX}/share/doc/kanjipad