diff --git a/perl/perl-IO-stringy/perl-IO-stringy.SlackBuild b/perl/perl-IO-stringy/perl-IO-stringy.SlackBuild
index 1666e2db55..605da25cd9 100644
--- a/perl/perl-IO-stringy/perl-IO-stringy.SlackBuild
+++ b/perl/perl-IO-stringy/perl-IO-stringy.SlackBuild
@@ -38,7 +38,7 @@ PKGTYPE=${PKGTYPE:-tgz}
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$( uname -m ) ;;
   esac
@@ -60,8 +60,8 @@ set -e
 
 DOCS="README COPYING"
 
-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"