diff --git a/MVMCore/MVMCore/MainProtocols/MVMCoreViewManagerViewControllerProtocol.h b/MVMCore/MVMCore/MainProtocols/MVMCoreViewManagerViewControllerProtocol.h
index 04a884c..d5bc58f 100644
--- a/MVMCore/MVMCore/MainProtocols/MVMCoreViewManagerViewControllerProtocol.h
+++ b/MVMCore/MVMCore/MainProtocols/MVMCoreViewManagerViewControllerProtocol.h
@@ -14,7 +14,7 @@
 @optional
 
 // Reference to the manager
-@property UIViewController <MVMCoreViewManagerProtocol>*manager;
+@property (nullable, weak, nonatomic) UIViewController <MVMCoreViewManagerProtocol>*manager;
 
 // Notifies the view controller that it can be ready (usually means that it's committed to the screen).
 - (void)viewControllerReadyInManager:(nonnull NSObject <MVMCoreViewManagerProtocol>*)manager;