diff --git a/academic/wxMaxima/wxMaxima.SlackBuild b/academic/wxMaxima/wxMaxima.SlackBuild
index 68391f9136..feb51615b1 100644
--- a/academic/wxMaxima/wxMaxima.SlackBuild
+++ b/academic/wxMaxima/wxMaxima.SlackBuild
@@ -22,6 +22,9 @@
 #  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# 20230627 bkw: Modified by SlackBuilds.org, BUILD=2:
+# - use DESTDIR properly, to avoid baking $PKG into the binary.
+
 # Mar 2021 -  updated for v. 21.01, Judah Milgram, milgram at cgpp com
 
 cd $(dirname $0) ; CWD=$(pwd)
@@ -29,7 +32,7 @@ cd $(dirname $0) ; CWD=$(pwd)
 PRGNAM=wxMaxima
 SRCNAM=wxmaxima
 VERSION=${VERSION:-21.01.0}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -41,9 +44,6 @@ if [ -z "$ARCH" ]; then
   esac
 fi
 
-# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
-# the name of the created package would be, and then exit. This information
-# could be useful to other scripts.
 if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
   exit 0
@@ -55,16 +55,12 @@ OUTPUT=${OUTPUT:-/tmp}
 
 if [ "$ARCH" = "i586" ]; then
   SLKCFLAGS="-O2 -march=i586 -mtune=i686"
-  LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"
-  LIBDIRSUFFIX=""
 elif [ "$ARCH" = "x86_64" ]; then
   SLKCFLAGS="-O2 -fPIC"
-  LIBDIRSUFFIX="64"
 else
   SLKCFLAGS="-O2"
-  LIBDIRSUFFIX=""
 fi
 
 set -e
@@ -78,9 +74,9 @@ cd $SRCNAM-Version-$VERSION
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-  -o -perm 511 \) -exec chmod 755 {} \; -o \
+  -o -perm 511 \) -exec chmod 755 {} + -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} +
 
 BUILDDIR=build
 mkdir -p $BUILDDIR
@@ -88,11 +84,11 @@ mkdir -p $BUILDDIR
 export PATH="/opt/cmake-202x/bin:$PATH"
 cmake \
     -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
-    -DCMAKE_INSTALL_PREFIX=$PKG/usr \
+    -DCMAKE_INSTALL_PREFIX=/usr \
     -DCMAKE_BUILD_TYPE=Release \
     -G Ninja -S . -B $BUILDDIR
 cmake --build $BUILDDIR
-cmake --install $BUILDDIR
+DESTDIR=$PKG cmake --install $BUILDDIR
 
 find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true