diff --git a/multimedia/SimpleSysexxer/SimpleSysexxer.SlackBuild b/multimedia/SimpleSysexxer/SimpleSysexxer.SlackBuild
index a0d3aabea8..ecce87f898 100644
--- a/multimedia/SimpleSysexxer/SimpleSysexxer.SlackBuild
+++ b/multimedia/SimpleSysexxer/SimpleSysexxer.SlackBuild
@@ -9,7 +9,7 @@ TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$( uname -m ) ;;
   esac
@@ -20,8 +20,8 @@ TMP=${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"
diff --git a/multimedia/SimpleSysexxer/SimpleSysexxer.info b/multimedia/SimpleSysexxer/SimpleSysexxer.info
index 02dc284d09..e3d683e838 100644
--- a/multimedia/SimpleSysexxer/SimpleSysexxer.info
+++ b/multimedia/SimpleSysexxer/SimpleSysexxer.info
@@ -4,7 +4,7 @@ HOMEPAGE="http://www.christeck.de/wp/?page_id=24"
 DOWNLOAD="http://downloads.sourceforge.net/project/sysexxer/SimpleSysexxer-0.3/SimpleSysexxer-0.3.tar.gz"
 MD5SUM="59c1b91089bb15050e3a58aa602332db"
 DOWNLOAD_x86_64="UNTESTED"
-MD5SUM_x86_64="UNTESTED"
+MD5SUM_x86_64=""
 REQUIRES=""
 MAINTAINER="Michales Michaloudes"
 EMAIL="korgie@gmail.com"