diff --git a/nixos/modules/services/development/livebook.nix b/nixos/modules/services/development/livebook.nix
index 30ab7ae3f128..df0e6e01e97c 100644
--- a/nixos/modules/services/development/livebook.nix
+++ b/nixos/modules/services/development/livebook.nix
@@ -88,6 +88,7 @@ in
         Restart = "always";
         EnvironmentFile = cfg.environmentFile;
         ExecStart = "${cfg.package}/bin/livebook start";
+        KillMode = "mixed";
       };
       environment = mapAttrs (name: value:
         if isBool value then boolToString value else toString value)