diff --git a/convert32-supported b/convert32-supported
new file mode 100644
index 0000000..03b7d3f
--- /dev/null
+++ b/convert32-supported
@@ -0,0 +1,84 @@
+# List of tested packages using convert32pkg.
+# This list is safe to use with massconvert32.sh and safe to install.
+# Note that these are from slackware 14.2, including patches. -current is unsupported.
+
+# a
+bzip2
+dbus
+eudev
+xz
+
+# ap
+cups
+mpg123
+
+# d
+libtool
+
+# l
+alsa-lib
+elfutils
+expat
+freetype
+glib2
+glibc
+gmp
+gst-plugins-base
+gstreamer
+harfbuzz
+icu4c
+lcms2
+libexif
+libffi
+libgphoto2
+libidn
+libieee1284
+libjpeg-turbo
+libnl3
+libpcap
+libpng
+libtiff
+libusb
+libxml2
+libxslt
+ncurses
+orc
+v4l-utils
+zlib
+
+# n
+cyrus-sasl
+gnutls
+libgcrypt
+libgpg-error
+nettle
+openldap-client
+openssl
+p11-kit
+
+# x
+fontconfig
+glu
+libX11
+libXau
+libXcomposite
+libXcursor
+libXdamage
+libXdmcp
+libXext
+libXfixes
+libXi
+libXinerama
+libXrandr
+libXrender
+libXv
+libXvMC
+libXxf86vm
+libdrm
+libpciaccess
+libxcb
+libxshmfence
+mesa
+
+# xap
+sane
diff --git a/convert32pkg.sh b/convert32pkg.sh
index 0431953..400f364 100755
--- a/convert32pkg.sh
+++ b/convert32pkg.sh
@@ -92,6 +92,20 @@ if [ -f install/doinst.sh ]; then
         cp "$pkgscript" install/doinst.64
     fi
 
+    # There's some packages that need special treatment
+    if [ "$pkgname" = 'glib2' -o "$pkgname" = 'cups' -o "$pkgname" = 'sane' ]; then
+        sed -i -e '/^for file in/,/^done/d' install/doinst.sh
+    fi
+    if [ "$pkgname" = 'cups' ]; then
+        sed -i -e '/^if \[ -e etc\/rc.d\/rc.cups \]; then/,/^fi/d' install/doinst.sh
+    fi
+    if [ "$pkgname" = 'eudev' ]; then
+        sed -i -e '/^if \[ \(-e etc\/rc.d\/rc.udev\|-r etc\/rc.d\/rc.udev.new\) \]; then/,/^fi/d' install/doinst.sh
+    fi
+    if [ "$pkgname" = 'dbus' ]; then
+        sed -i -e '/^if \[ \(-e etc\/rc.d\/rc.messagebus\|-r etc\/rc.d\/rc.messagebus.new\) \]; then/,/^fi/d' install/doinst.sh
+    fi
+
     # Extract all lines treating with symlinks. See /sbin/removepkg
     sed -n -e 's,^[ ]*( [ ]*cd[ ]* .* [ ]*; [ ]*\(rm\|ln\) [ ]*-\(rf\|sf\)[ ]* .* [ ]*)[ ]*$,&,p' -e 's,^[ ]*config .*[ ]*,&,p' install/doinst.64 > install/doinst
 
diff --git a/massconvert32.sh b/massconvert32.sh
index 710be93..5ea9464 100755
--- a/massconvert32.sh
+++ b/massconvert32.sh
@@ -2,10 +2,10 @@
 
 # DISCLAIMER
 # Don't ever think of installing every single package generated with this script.
-# While it *should* not cause any problems, doing so is simply overkill, and not recommended in the least.
+# While it *should* not cause any problems, doing so is simply overkill, untested, and not recommended in the least.
 
 if [ "$#" -lt 2 ]; then
-    echo "Usage: $0 <slackware> <slackware64>" 1>&2
+    echo "Usage: $0 <slackware> <slackware64> [whitelist]" 1>&2
     exit 1
 fi
 
@@ -13,6 +13,7 @@ scriptdir="$(realpath "$(dirname "$0")")"
 
 slackware="$1"
 slackware64="$2"
+whitelist="$3"
 
 find "$slackware" -type f -name "*.t?z" -printf '%P\n' | sort | while read -r pkg; do
     # See /sbin/installpkg
@@ -23,6 +24,12 @@ find "$slackware" -type f -name "*.t?z" -printf '%P\n' | sort | while read -r pk
     pkgarch="$(echo "$pkgbase" | sed -e 's?.*-[^-]*-\([^-]*\)-[^-]*$?\1?')"
     pkgbuild="$(echo "$pkgbase" | sed -e 's?.*-[^-]*-[^-]*-\([^-]*\)$?\1?')"
 
+    if [ "$whitelist" ]; then
+        if ! grep -v '^#' "$whitelist" | fgrep -xq "$pkgname"; then
+            continue
+        fi
+    fi
+
     case "$pkgarch" in
         i?86) pkgarch=x86_64 ;;
         *) continue ;;
@@ -43,7 +50,3 @@ find "$slackware" -type f -name "*.t?z" -printf '%P\n' | sort | while read -r pk
         "$scriptdir/convert32pkg.sh" "$rpkg" "$rpkg64"
     )
 done
-
-#        if [ ! "$(tar tf "convert32-$pkgname-$pkgver-$pkgarch-$pkgbuild.$pkgext" | grep -v '^./\|^install/')" ]; then
-#            rm -f "convert32-$pkgname-$pkgver-$pkgarch-$pkgbuild.$pkgext"
-#        fi