diff --git a/Mini vMac/KBKeyboardView.h b/Mini vMac/KBKeyboardView.h
index 19568cb..80215b0 100644
--- a/Mini vMac/KBKeyboardView.h	
+++ b/Mini vMac/KBKeyboardView.h	
@@ -26,5 +26,5 @@
 @property (nonatomic, readonly, nonnull) NSArray<KBKey*>* keys;
 @property (nonatomic, readonly, nonnull) NSArray<KBKey*>* stickyKeys;
 
-- (instancetype)initWithFrame:(CGRect)frame safeAreaInsets:(UIEdgeInsets)safeAreaInsets;
+- (instancetype _Nonnull)initWithFrame:(CGRect)frame safeAreaInsets:(UIEdgeInsets)safeAreaInsets;
 @end