diff --git graphics/qgis/Makefile graphics/qgis/Makefile
index 8f6090bb25fa..6b3fd03ee560 100644
--- graphics/qgis/Makefile
+++ graphics/qgis/Makefile
@@ -4,6 +4,7 @@
 PORTNAME=	qgis
 DISTVERSIONPREFIX=	final-
 DISTVERSION=	3_10_1
+PORTREVISION=	1
 CATEGORIES=	graphics geography
 
 MAINTAINER=	rhurlin@gwdg.de
@@ -152,6 +153,11 @@ post-patch:
 	@${REINPLACE_CMD} -e 's|"-mllvm -inline-threshold=128"|"-O1"|g' \
 		${WRKSRC}/src/core/CMakeLists.txt
 .endif
+# Build failure with txt2tags > 3 (dropped --css-sugar & --css-inside)
+# https://github.com/qgis/QGIS/issues/33516
+.for f in INSTALL news
+	@${REINPLACE_CMD} -e 's|--css-sugar --css-inside||' ${WRKSRC}/doc/${f}.t2t
+.endfor
 
 pre-configure:
 	${MKDIR} ${CONFIGURE_WRKSRC}/bin && ${LN} -s ${PYTHON_CMD} ${CONFIGURE_WRKSRC}/bin/python3