diff --git a/scripts/dump-vdso.py b/scripts/dump-vdso.py
index bdf7fd2..45ad7da 100755
--- a/scripts/dump-vdso.py
+++ b/scripts/dump-vdso.py
@@ -22,14 +22,14 @@ import sys
 from typing import List, Optional
 
 
-def dump_vdso() -> Optional[List[ctypes.c_ubyte]]:
+def dump_vdso() -> list[ctypes.c_ubyte] | None:
     """
     Returns a list containing the VDSO.
     """
     with open("/proc/self/maps") as f:
         for line in f:
             if "[vdso]" in line:
-                start, end = [int(x, 16) for x in line.split(" ")[0].split("-")]
+                start, end = (int(x, 16) for x in line.split(" ")[0].split("-"))
                 length = end - start
                 return (ctypes.c_ubyte * length).from_address(start)