diff --git a/academic/ggobi/ggobi.SlackBuild b/academic/ggobi/ggobi.SlackBuild
index dc3cbc3f86..849bbb432f 100644
--- a/academic/ggobi/ggobi.SlackBuild
+++ b/academic/ggobi/ggobi.SlackBuild
@@ -5,13 +5,13 @@
 # hereby put in the public domain
 
 PRGNAM=ggobi
-VERSION=2.1.8
+VERSION=${VERSION:-2.1.8}
 BUILD=${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=$( uname -m ) ;;
   esac
@@ -22,8 +22,8 @@ TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
-if [ "$ARCH" = "i486" ]; then
-  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
   LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"