diff --git a/system/unace/unace.SlackBuild b/system/unace/unace.SlackBuild
index 5f79372813..3ab6ce51dd 100644
--- a/system/unace/unace.SlackBuild
+++ b/system/unace/unace.SlackBuild
@@ -23,11 +23,15 @@
 # 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=3:
+# - strip binary.
+# - actually use SLKCFLAGS.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=unace
 VERSION=${VERSION:-2.5}
-BUILD=${BUILD:-2}
+BUILD=${BUILD:-3}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -39,9 +43,6 @@ 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
@@ -78,9 +79,9 @@ cd $PRGNAM-$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 {} +
 
 # Thanks to AUR for the patches
 zcat $CWD/01-makefiles.dpatch | patch -p1
@@ -89,10 +90,12 @@ if [ "$ARCH" = "x86_64" ]; then
   zcat $CWD/04-64bit.dpatch | patch -p1
 fi
 
+sed -i "s,\\tgcc,& $SLKCFLAGS," makefile
+
 make
 
 mkdir -p $PKG/usr/bin
-install -m 0755 unace $PKG/usr/bin/unace
+install -s -m 0755 unace $PKG/usr/bin/unace
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
 cp -a licence $PKG/usr/doc/$PRGNAM-$VERSION