diff --git a/systems/x86_64-linux/attic/atticd.nix b/systems/x86_64-linux/attic/atticd.nix
index b24dd3b..07bacac 100644
--- a/systems/x86_64-linux/attic/atticd.nix
+++ b/systems/x86_64-linux/attic/atticd.nix
@@ -12,7 +12,7 @@
   };
 
   systemd.services.postgresql.postStart = lib.mkAfter ''
-    $PSQL -tAc 'ALTER DATABASE "attic" OWNER TO "atticd"'
+    psql -tAc 'ALTER DATABASE "attic" OWNER TO "atticd"'
   '';
 
   environment.systemPackages = with pkgs; [ attic-client ];