diff --git a/TKContactPicker/Controllers/TKPeoplePickerController.m b/TKContactPicker/Controllers/TKPeoplePickerController.m
index cb6424b..3d49df1 100755
--- a/TKContactPicker/Controllers/TKPeoplePickerController.m
+++ b/TKContactPicker/Controllers/TKPeoplePickerController.m
@@ -44,7 +44,11 @@ - (void)presentNoContactViewController
 
 - (void)presentContactsMultiPickerController
 {
-    _addressBook = ABAddressBookCreate();
+    if (IOS_VERSION_LESS_THAN(@"6.0")) {
+        _addressBook = ABAddressBookCreate();
+    } else {
+        _addressBook = ABAddressBookCreateWithOptions(NULL, NULL);
+    }
     
     TKContactsMultiPickerController *contactMultiController = [[TKContactsMultiPickerController alloc] initWithGroup:nil];
     contactMultiController.delegate = self;
@@ -64,11 +68,13 @@ - (id)initPeoplePicker
             switch (ABAddressBookGetAuthorizationStatus()) {
                 case kABAuthorizationStatusNotDetermined: {
                     ABAddressBookRequestAccessWithCompletion(addressBookRef, ^(bool granted, CFErrorRef error) {
-                        if (granted) {
-                            [self presentContactsMultiPickerController];
-                        } else {
-                            [self presentNoContactViewController];
-                        }
+                        dispatch_sync(dispatch_get_main_queue(), ^(){
+                            if (granted) {
+                                [self presentContactsMultiPickerController];
+                            } else {
+                                [self presentNoContactViewController];
+                            }
+                        });
                     });
                 } break;
                 case kABAuthorizationStatusAuthorized: {