diff --git a/MagicalRecord/Categories/NSManagedObjectContext/NSManagedObjectContext+MagicalSaves.m b/MagicalRecord/Categories/NSManagedObjectContext/NSManagedObjectContext+MagicalSaves.m
index baaf0b7..a74fbd6 100644
--- a/MagicalRecord/Categories/NSManagedObjectContext/NSManagedObjectContext+MagicalSaves.m
+++ b/MagicalRecord/Categories/NSManagedObjectContext/NSManagedObjectContext+MagicalSaves.m
@@ -108,7 +108,10 @@
 
         if (completion && self == [[self class] MR_rootSavingContext])
         {
-            dispatch_async(dispatch_get_main_queue(), completion);
+            if (completion)
+            {
+                dispatch_async(dispatch_get_main_queue(), completion);
+            }
         }
     }];
 }