diff --git a/data/bin/installoptionalpackage b/data/bin/installoptionalpackage
index bd8c40c4f0..7f576d1b02 100755
--- a/data/bin/installoptionalpackage
+++ b/data/bin/installoptionalpackage
@@ -435,6 +435,8 @@ function DetectSystemConfiguration()
 	# Determine the Architecture.
 	if [ `uname -m` == "BePC" ] ; then
 		TARGET_ARCH='x86'
+	elif [ `uname -m` == "x86_64" ] ; then
+		TARGET_ARCH='x86_64'
 	else
 		echo "Sorry, x86 only for now."
 		exit 1