diff --git a/misc/bsdsfv/bsdsfv.SlackBuild b/misc/bsdsfv/bsdsfv.SlackBuild
index ab5b7d2069..6eef3cacb9 100644
--- a/misc/bsdsfv/bsdsfv.SlackBuild
+++ b/misc/bsdsfv/bsdsfv.SlackBuild
@@ -23,13 +23,13 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=bsdsfv
-VERSION=1.18
+VERSION=${VERSION:-1.18}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$( uname -m ) ;;
   esac
@@ -41,8 +41,8 @@ PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 COLOR=${COLOR:-no}
 
-if [ "$ARCH" = "i486" ]; then
-  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"
 elif [ "$ARCH" = "x86_64" ]; then