diff --git a/academic/wxMaxima/wxMaxima.SlackBuild b/academic/wxMaxima/wxMaxima.SlackBuild
index 859f820fe0..c7a12b6bfd 100644
--- a/academic/wxMaxima/wxMaxima.SlackBuild
+++ b/academic/wxMaxima/wxMaxima.SlackBuild
@@ -5,7 +5,7 @@
 # Written by Larry Hajali <larryhaja[at]gmail[dot]com>
 
 PRGNAM=wxMaxima
-VERSION=11.04.0
+VERSION=${VERSION:-12.09.0}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -51,6 +51,9 @@ find . \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;
 
+# Cleanup the desktop menu item.
+sed -i -e "/^Icon/s|=.*|=$PRGNAM|" wxmaxima.desktop
+
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \
@@ -65,19 +68,12 @@ make install DESTDIR=$PKG
 find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
-# Cleanup the desktop menu item.
-sed -i \
-  -e "/^Categories/s|=.*|=Education;Science;Math;|" \
-  -e "/^Icon/s|=.*|=$PRGNAM|" wxmaxima.desktop
-
 mkdir -p $PKG/usr/share/{applications,pixmaps}
 install -m 0644 wxmaxima.desktop $PKG/usr/share/applications/$PRGNAM.desktop
 install -m 0644 data/wxmaxima.png $PKG/usr/share/pixmaps/$PRGNAM.png
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
-cp -a \
-  AUTHORS COPYING README art/*.txt \
-  $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a AUTHORS COPYING README art/*.txt $PKG/usr/doc/$PRGNAM-$VERSION
 rm -f $PKG/usr/share/$PRGNAM/{COPYING,README}
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
diff --git a/academic/wxMaxima/wxMaxima.info b/academic/wxMaxima/wxMaxima.info
index 8174293d0c..d44734448e 100644
--- a/academic/wxMaxima/wxMaxima.info
+++ b/academic/wxMaxima/wxMaxima.info
@@ -1,8 +1,8 @@
 PRGNAM="wxMaxima"
-VERSION="11.04.0"
+VERSION="12.09.0"
 HOMEPAGE="http://wxmaxima.sourceforge.net/wiki/index.php/Main_Page"
-DOWNLOAD="http://downloads.sourceforge.net/wxmaxima/wxMaxima-11.04.0.tar.gz"
-MD5SUM="249fd17d9c299bda6bd13532f02f1dea"
+DOWNLOAD="http://downloads.sourceforge.net/wxmaxima/wxMaxima-12.09.0.tar.gz"
+MD5SUM="a5b0d82e99690b913dbc0109abe07e4e"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="maxima wxPython"