diff --git a/machines/zix790prors/configuration.nix b/machines/zix790prors/configuration.nix
index 762c3fb..3bf807e 100644
--- a/machines/zix790prors/configuration.nix
+++ b/machines/zix790prors/configuration.nix
@@ -35,6 +35,9 @@ with lib;
   # Enable networking
   networking.networkmanager.enable = true;
 
+  # Fix dual boot clock sync - tell Linux to use local time for hardware clock
+  time.hardwareClockInLocalTime = true;
+
   # NVIDIA Graphics configuration
   services.xserver.videoDrivers = [ "nvidia" ];
   hardware.graphics.enable = true;