diff --git a/Code/CoreData/RKManagedObjectLoader.m b/Code/CoreData/RKManagedObjectLoader.m
index f16f46284c..e07384c359 100644
--- a/Code/CoreData/RKManagedObjectLoader.m
+++ b/Code/CoreData/RKManagedObjectLoader.m
@@ -136,7 +136,7 @@ - (void)deleteCachedObjectsMissingFromResult:(RKObjectMappingResult*)result {
 
 // NOTE: We are on the background thread here, be mindful of Core Data's threading needs
 - (void)processMappingResult:(RKObjectMappingResult*)result {
-    NSAssert(![NSThread isMainThread], @"Mapping result processing should occur on a background thread");
+    NSAssert(_sentSynchronously || ![NSThread isMainThread], @"Mapping result processing should occur on a background thread");
     if (_targetObjectID && self.targetObject && self.method == RKRequestMethodDELETE) {
         NSManagedObject* backgroundThreadObject = [self.objectStore objectWithID:_targetObjectID];
         RKLogInfo(@"Deleting local object %@ due to DELETE request", backgroundThreadObject);
diff --git a/Code/ObjectMapping/RKObjectLoader.m b/Code/ObjectMapping/RKObjectLoader.m
index 5a401d66fc..348e8692a6 100644
--- a/Code/ObjectMapping/RKObjectLoader.m
+++ b/Code/ObjectMapping/RKObjectLoader.m
@@ -146,7 +146,7 @@ - (void)informDelegateOfObjectLoadWithResultDictionary:(NSDictionary*)resultDict
  @protected
  */
 - (void)processMappingResult:(RKObjectMappingResult*)result {
-    NSAssert(![NSThread isMainThread], @"Mapping result processing should occur on a background thread");
+    NSAssert(_sentSynchronously || ![NSThread isMainThread], @"Mapping result processing should occur on a background thread");
     [self performSelectorOnMainThread:@selector(informDelegateOfObjectLoadWithResultDictionary:) withObject:[result asDictionary] waitUntilDone:YES];
 }