1 files changed, 3 insertions, 2 deletions
diff --git a/lib/clogger/pure.rb b/lib/clogger/pure.rb
index b871c62..e9a8e6a 100644
--- a/lib/clogger/pure.rb
+++ b/lib/clogger/pure.rb
@@ -1,13 +1,14 @@
  # -*- encoding: binary -*-
  # :stopdoc:
  
-require 'rack'
-
  # Not at all optimized for performance, this was written based on
  # the original C extension code so it's not very Ruby-ish...
  class Clogger
  
    def initialize(app, opts = {})
+    # trigger autoload to avoid thread-safety issues later on
+    Rack::Utils::HeaderHash.new({})
+
      @app = app
      @logger = opts[:logger]
      (@logger.sync = true) rescue nil