diff --git a/modules/programs/yarn/default.nix b/modules/programs/yarn/default.nix
index 1f879218b..5aeb5c0ea 100644
--- a/modules/programs/yarn/default.nix
+++ b/modules/programs/yarn/default.nix
@@ -24,7 +24,7 @@ in
     settings = mkOption {
       type = yamlFormat.type;
       default = { };
-      example = ''
+      example = lib.literalExpression ''
         {
           httpProxy = "http://proxy.example.org:3128";
           httpsProxy = "http://proxy.example.org:3128";