diff --git a/lib/tasks/mastodon.rake b/lib/tasks/mastodon.rake
index cd6d1bcab..32040feec 100644
--- a/lib/tasks/mastodon.rake
+++ b/lib/tasks/mastodon.rake
@@ -399,7 +399,7 @@ namespace :mastodon do
           escaped = dotenv_escape(value)
           incompatible_syntax = true if value != escaped
 
-          escaped
+          "#{key}=#{escaped}"
         end.join("\n")
 
         generated_header = "# Generated with mastodon:setup on #{Time.now.utc}\n\n".dup