diff --git a/nixos/modules/services/computing/slurm/slurm.nix b/nixos/modules/services/computing/slurm/slurm.nix
index 1e1c5bc9f035..09174ed39f5e 100644
--- a/nixos/modules/services/computing/slurm/slurm.nix
+++ b/nixos/modules/services/computing/slurm/slurm.nix
@@ -8,6 +8,7 @@ let
   # configuration file can be generated by http://slurm.schedmd.com/configurator.html
   configFile = pkgs.writeTextDir "slurm.conf"
     ''
+      ClusterName=${cfg.clusterName}
       ${optionalString (cfg.controlMachine != null) ''controlMachine=${cfg.controlMachine}''}
       ${optionalString (cfg.controlAddr != null) ''controlAddr=${cfg.controlAddr}''}
       ${optionalString (cfg.nodeName != null) ''nodeName=${cfg.nodeName}''}
@@ -105,6 +106,15 @@ in
         '';
       };
 
+      clusterName = mkOption {
+        type = types.str;
+        default = "default";
+        example = "myCluster";
+        description = ''
+          Necessary to distinguish accounting records in a multi-cluster environment.
+        '';
+      };
+
       nodeName = mkOption {
         type = types.nullOr types.str;
         default = null;