diff --git a/scripts/zshrc.sh b/scripts/zshrc.sh
index 269291f..04c9aec 100755
--- a/scripts/zshrc.sh
+++ b/scripts/zshrc.sh
@@ -68,12 +68,17 @@ alias mount-external='sudo mount -t cifs //192.168.2.1/external /smb/external -o
 
 alias ds-clean="sudo find ./ -name \".DS_Store\" -depth -exec rm {} \;"
 alias clean-empty-dir="find . -type d -empty -delete -print"
-alias compress-zst="tar -I 'zstd -T36 -19' --checkpoint=.1024 --totals -c -f"
 alias restart-kwin="DISPLAY=:0 setsid kwin_x11 --replace"
 
 alias catt="echo 🐱"
 alias old-update-ssh-keys="curl -L https://github.com/Hykilpikonna.keys > ~/.ssh/authorized_keys"
 
+compress-zst() {
+    cores=$(grep -c ^processor /proc/cpuinfo)
+    echo "Starting ZSTD compression with $cores cores"
+    tar -I 'zstd -T36 -15' --checkpoint=.1024 --totals -c -f "$@"
+}
+
 # Unix permissions reset (Dangerous! This will make executable files no longer executable)
 reset-permissions-dangerous() {
     sudo find . -type d -exec chmod 755 {} \;