diff --git a/nixos/modules/virtualisation/lxd.nix b/nixos/modules/virtualisation/lxd.nix
index 375fc1d256c3..42a1f2f1a301 100644
--- a/nixos/modules/virtualisation/lxd.nix
+++ b/nixos/modules/virtualisation/lxd.nix
@@ -170,7 +170,7 @@ in {
       "kernel.keys.maxkeys" = 2000;
     };
 
-    boot.kernelModules = [ "veth" "xt_comment" "xt_MASQUERADE" ]
+    boot.kernelModules = [ "veth" "xt_comment" "xt_CHECKSUM" "xt_MASQUERADE" ]
       ++ optionals (!config.networking.nftables.enable) [ "iptable_mangle" ];
   };
 }