diff --git a/games/boswars/boswars.SlackBuild b/games/boswars/boswars.SlackBuild
index 44bbcdd8fa..c11727cb77 100644
--- a/games/boswars/boswars.SlackBuild
+++ b/games/boswars/boswars.SlackBuild
@@ -22,12 +22,19 @@
 #  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# 20241018 bkw: Modified by SlackBuilds.org, BUILD=2: use lua51
+# instead of lua. Note: there are other issues with this build. ELF
+# binaries are installed to /usr/share (which is supposed to be for
+# arch-independent data only), and the package has a bunch of .o files
+# that shouldn't be there. Not going to fix this right now...
+# Also, the executable should be in /usr/games, not /usr/bin.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=boswars
 VERSION=${VERSION:-2.8}
 SRCVERSION=$(echo $VERSION-src)
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -39,9 +46,6 @@ 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
@@ -74,14 +78,12 @@ rm -rf $PRGNAM-$SRCVERSION
 tar xvf $CWD/$PRGNAM-$SRCVERSION.tar.gz
 cd $PRGNAM-$SRCVERSION
 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 \
- \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} + -o \
+        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} +
 
-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
+# 20241020 bkw: to build with our lua51, we have to force the correct
+# include path.
+sed -i "/^incpaths/s,','/usr/include/lua5.1 ," make.py
 
 ./make.py   # build source code
 
@@ -98,6 +100,9 @@ done
 # install launcher
 install -D -m0755 $CWD/$PRGNAM.sh $PKG/usr/bin/$PRGNAM
 
+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
+
 mkdir -p $PKG/usr/share/applications
 install -D -m644 $CWD/$PRGNAM.desktop $PKG/usr/share/applications/$PRGNAM.desktop
 
diff --git a/games/boswars/boswars.info b/games/boswars/boswars.info
index bc7e4c0b89..ad2bc1ad43 100644
--- a/games/boswars/boswars.info
+++ b/games/boswars/boswars.info
@@ -5,6 +5,6 @@ DOWNLOAD="https://www.boswars.org/dist/releases/boswars-2.8-src.tar.gz"
 MD5SUM="f77b1236260f3007ff43f8296baa9824"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="lua"
+REQUIRES="lua51"
 MAINTAINER="Dimitris Zlatanidis"
 EMAIL="d.zlatanidis@gmail.com"