diff --git a/python/tweepy/tweepy.SlackBuild b/python/tweepy/tweepy.SlackBuild
index 7d2acbcb2c..1e80cefc32 100644
--- a/python/tweepy/tweepy.SlackBuild
+++ b/python/tweepy/tweepy.SlackBuild
@@ -49,8 +49,8 @@ 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"