diff --git a/scripts/wk/cfg/sources.py b/scripts/wk/cfg/sources.py
index 36a67b37..975019f7 100644
--- a/scripts/wk/cfg/sources.py
+++ b/scripts/wk/cfg/sources.py
@@ -26,8 +26,9 @@ SOURCES = {
   'KVRT': 'https://devbuilds.s.kaspersky-labs.com/devbuilds/KVRT/latest/full/KVRT.exe',
   'LibreOffice': 'https://download.documentfoundation.org/libreoffice/stable/7.1.2/win/x86_64/LibreOffice_7.1.2_Win_x64.msi',
   'OpenShell': 'https://github.com/Open-Shell/Open-Shell-Menu/releases/download/v4.4.160/OpenShellSetup_4_4_160.exe',
-  'RegDelNull': 'https://download.sysinternals.com/files/Regdelnull.zip',
   'RKill': 'https://download.bleepingcomputer.com/grinler/rkill.exe',
+  'RegDelNull': 'https://live.sysinternals.com/RegDelNull.exe',
+  'RegDelNull64': 'https://live.sysinternals.com/RegDelNull64.exe',
   'Software Bundle': 'https://ninite.com/.net4.8-7zip-chrome-edge-vlc/ninite.exe',
   'TDSSKiller': 'https://media.kaspersky.com/utilities/VirusUtilities/EN/tdsskiller.exe',
   'VCRedist_2012_x32': 'https://download.microsoft.com/download/1/6/B/16B06F60-3B20-4FF2-B699-5E9B7962F9AE/VSU_4/vcredist_x86.exe',
diff --git a/scripts/wk/repairs/win.py b/scripts/wk/repairs/win.py
index 870a1df6..699af3e1 100644
--- a/scripts/wk/repairs/win.py
+++ b/scripts/wk/repairs/win.py
@@ -939,7 +939,7 @@ def backup_registry():
 
 def delete_registry_null_keys():
   """Delete registry keys with embedded null characters."""
-  run_tool('RegDelNull', 'RegDelNull', '-s', '-y', cbin=True)
+  run_tool('RegDelNull', 'RegDelNull', '-s', '-y', download=True)
 
 
 def run_adwcleaner():