diff --git a/srcpkgs/wxMaxima/template b/srcpkgs/wxMaxima/template
index 1e512c39644..749e481dd8f 100644
--- a/srcpkgs/wxMaxima/template
+++ b/srcpkgs/wxMaxima/template
@@ -1,7 +1,7 @@
 # Template file for 'wxMaxima'
 pkgname=wxMaxima
 version=20.02.4
-revision=1
+revision=2
 build_style=cmake
 configure_args="-DwxWidgets_CONFIG_EXECUTABLE=/usr/bin/wx-config-gtk3"
 hostmakedepends="gettext perl desktop-file-utils doxygen po4a"
@@ -15,6 +15,8 @@ distfiles="https://github.com/wxMaxima-developers/wxmaxima/archive/Version-${ver
 checksum=d47ca52e40491ea3c4ea7bea126f4da4d0b535702126abef0c172f69ba58e17d
 nocross="clisp is nocross"
 
+CXXFLAGS="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
+
 post_install() {
 	# remove unpackaged files
 	rm -f ${DESTDIR}/usr/share/wxMaxima/{COPYING,README}