diff --git a/modules/dcrwallet.nix b/modules/dcrwallet.nix
index 6f6cf7f..c2d5757 100644
--- a/modules/dcrwallet.nix
+++ b/modules/dcrwallet.nix
@@ -82,6 +82,7 @@ in
         StateDirectory = "dcrwallet";
         StateDirectoryMode = "0750";
         ExecStart = ''${lib.getExe cfg.package} --appdata=${cfg.dataDir} --configfile=${cfg.configFile}'';
+        ExecStartPost = "+${pkgs.coreutils}/bin/chmod 0750 ${cfg.dataDir}";
       };
       restartTriggers = [ cfg.configFile ];
     };