diff --git a/appdwarf b/appdwarf
index 1b71915..5327f1c 100755
--- a/appdwarf
+++ b/appdwarf
@@ -8,18 +8,15 @@ apprun() {
     exec "$APPDIR/$(basename "$ARGV0")" "$@"
 }
 
-# shellcheck disable=SC2086,SC2155
 header() {
-    APPDIR="/tmp/dwarf_$(realpath "$0" | sed 's#/#_#g')"
-    export APPDIR APPIMAGE="$(realpath "$0")" ARGV0="$0" OWD="$PWD"
-    args="-o offset=auto -o tidy_strategy=swap -o workers=4"
-    [ ! -d "$APPDIR" ] && mkdir "$APPDIR" && dwarfs $args "$0" "$APPDIR" 2>/dev/null
-    trap 'fusermount -quz $APPDIR' 0 1 2 3 6 14 15 EXIT
+    set -e
+    APPDIR=$(mktemp -d)
+    APPIMAGE="$(realpath "$0")"
+    export APPDIR APPIMAGE ARGV0="$0" OWD="$PWD"
+    dwarfs -o offset=auto -o tidy_strategy=swap -o workers="$(nproc)" -o debuglevel=warn "$0" "$APPDIR"
+    trap 'fusermount -quz $APPDIR; rmdir $APPDIR' 0 1 2 3 6 14 15 EXIT
     "$APPDIR/AppRun" "$@"
-    res=$?
-    fusermount -quz "$APPDIR"
-    rmdir "$APPDIR" 2>/dev/null
-    exit $res
+    exit $?
 }
 
 printfunc() {
@@ -77,7 +74,7 @@ case "$1" in
         shift
         zzexe "$@" ;;
     --version | -v )
-        tput setaf 2; echo appdwarf 2022.10.10
+        tput setaf 2; echo appdwarf 2022.11.14
         tput setaf 6; echo Built by July 🏳️‍🌈; exit ;;
     -* | '' )
         echo "Usage: appdwarf [option] [APP/FILE/FOLDER/URL] [compression options]"