diff --git a/nixos/modules/services/networking/prosody.nix b/nixos/modules/services/networking/prosody.nix
index 1ae063aa6bb5..7a503e711665 100644
--- a/nixos/modules/services/networking/prosody.nix
+++ b/nixos/modules/services/networking/prosody.nix
@@ -465,7 +465,7 @@ in
 
       modules_enabled = {
 
-        ${ lib.concatStringsSep "\n\ \ " (lib.mapAttrsToList
+        ${ lib.concatStringsSep "\n  " (lib.mapAttrsToList
           (name: val: optionalString val "${toLua name};")
         cfg.modules) }
         ${ lib.concatStringsSep "\n" (map (x: "${toLua x};") cfg.package.communityModules)}