diff --git a/nixos/modules/services/misc/mesos-slave.nix b/nixos/modules/services/misc/mesos-slave.nix
index 12485141e21..effa29b64f6 100644
--- a/nixos/modules/services/misc/mesos-slave.nix
+++ b/nixos/modules/services/misc/mesos-slave.nix
@@ -213,7 +213,7 @@ in {
         PermissionsStartOnly = true;
       };
       preStart = ''
-        mkdir -m 0700 -p ${cfg.workDir}
+        mkdir -m 0701 -p ${cfg.workDir}
       '';
     };
   };