diff --git a/lib/mini_profiler/storage/memory_store.rb b/lib/mini_profiler/storage/memory_store.rb
index 63475761..25bd05d2 100644
--- a/lib/mini_profiler/storage/memory_store.rb
+++ b/lib/mini_profiler/storage/memory_store.rb
@@ -10,11 +10,11 @@ class MemoryStore < AbstractStore
       class CacheCleanupThread < Thread
 
         def initialize(interval, cycle, store)
-          super
           @store       = store
           @interval    = interval
           @cycle       = cycle
           @cycle_count = 1
+          super
         end
 
         def should_cleanup?
@@ -78,7 +78,7 @@ def initialize_cleanup_thread(args = {})
         cleanup_cycle    = args.fetch(:cleanup_cycle)    { CLEANUP_CYCLE }
         t = CacheCleanupThread.new(cleanup_interval, cleanup_cycle, self) do
           until Thread.current[:should_exit] do
-            t.sleepy_run
+            Thread.current.sleepy_run
           end
         end
         at_exit { t[:should_exit] = true }