diff --git a/installer/installer.kmdr b/installer/installer.kmdr
index 0b14e9e..bf0c47d 100755
--- a/installer/installer.kmdr
+++ b/installer/installer.kmdr
@@ -2707,6 +2707,7 @@ for device in $devices; do
    volsize=`get_udisks_key $device size`
    volsize=`expr $volsize / 1024 / 1024`
    volname=`get_udisks_key $device label`
+   [ $volsize -ge 512 ] || continue
    [ "$volname" ] || volname="unnamed"
    parttype=`get_udisks_key $device usage`
    [ "$parttype" ] || parttype="unknown"