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-rw-r--r--nixos/modules/services/mail/postfix.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/nixos/modules/services/mail/postfix.nix b/nixos/modules/services/mail/postfix.nix
index ad4e58149847..2185484827de 100644
--- a/nixos/modules/services/mail/postfix.nix
+++ b/nixos/modules/services/mail/postfix.nix
@@ -28,7 +28,7 @@ let
 
   mainCf = let
     escape = replaceStrings ["$"] ["$$"];
-    mkList = items: "\n  " + concatMapStringsSep "\n  " escape items;
+    mkList = items: "\n  " + concatStringsSep "\n  " items;
     mkVal = value:
       if isList value then mkList value
         else " " + (if value == true then "yes"