diff --git a/math/wxmaxima/Makefile b/math/wxmaxima/Makefile
index 3db33979c6b7..426bfa123a40 100644
--- a/math/wxmaxima/Makefile
+++ b/math/wxmaxima/Makefile
@@ -1,34 +1,40 @@
 # Created by: Nicola Vitale <nivit@email.it>
 
 PORTNAME=	wxmaxima
 PORTVERSION=	20.04.0
 DISTVERSIONPREFIX=	Version-
 PORTREVISION=	2
 CATEGORIES=	math
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	WxWidgets GUI for the computer algebra system maxima
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 RUN_DEPENDS=	maxima:math/maxima
 
 USES=		cmake compiler:c++11-lang desktop-file-utils shared-mime-info
 USE_GITHUB=	yes
 GH_ACCOUNT=	wxMaxima-Developers
 
 USE_WX=		3.0
 WX_COMPS=	wx
 WX_CONF_ARGS=	absolute
 
 PLIST_SUB=	DESKTOPDIR=${DESKTOPDIR:S,${PREFIX}/,,}
 PORTDATA=	COPYING README README.md
 
 OPTIONS_DEFINE=	NLS
 OPTIONS_SUB=	yes
 
 NLS_USES=	gettext
 NLS_EXTRA_PATCHES_OFF=	${PATCHDIR}/extra-patch-CMakeLists.txt
 
+.include <bsd.port.options.mk>
+
+.if ${ARCH} != powerpc
+EXTRA_PATCHES+=	${PATCHDIR}/extra-patch-src_Version.h.cin
+.endif
+
 .include <bsd.port.mk>