diff --git a/lsinitcpio b/lsinitcpio
index bcb4a19..d44a714 100755
--- a/lsinitcpio
+++ b/lsinitcpio
@@ -131,6 +131,12 @@ detect_filetype() {
         return
     fi
 
+    read -rd '' bytes < <(hexdump -n 4 -e '"%x"' "$1")
+    if [[ $bytes = 'fd2fb528' ]]; then
+        echo 'zstd'
+        return
+    fi
+
     # still nothing? hrmm, maybe the user goofed and it's a kernel
     if kver "$1" >/dev/null; then
         die '%s is a kernel image, not an initramfs image!' "$1"