diff --git a/MagicalRecord/Core/MagicalRecord+Actions.m b/MagicalRecord/Core/MagicalRecord+Actions.m
index ebbda1be4..16165d28e 100644
--- a/MagicalRecord/Core/MagicalRecord+Actions.m
+++ b/MagicalRecord/Core/MagicalRecord+Actions.m
@@ -13,10 +13,11 @@
 dispatch_queue_t action_queue(void);
 dispatch_queue_t action_queue(void)
 {
-    if (background_action_queue == NULL)
-    {
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
         background_action_queue = dispatch_queue_create("com.magicalpanda.magicalrecord.actionQueue", DISPATCH_QUEUE_SERIAL);
-    }
+    });
+
     return background_action_queue;
 }