diff --git a/Components/AppleClock/AppleClock.hpp b/Components/AppleClock/AppleClock.hpp
index 7622a40c0..242b5078f 100644
--- a/Components/AppleClock/AppleClock.hpp
+++ b/Components/AppleClock/AppleClock.hpp
@@ -31,7 +31,7 @@ class ClockStorage {
 				0x00, 0x02, 0x63, 0x00,
 				0x03, 0x88, 0x00, 0x4c
 			};
-			memcpy(data_, default_data, sizeof(data_));
+			memcpy(data_, default_data, sizeof(default_data));
 			memset(&data_[sizeof(default_data)], 0xff, sizeof(data_) - sizeof(default_data));
 		}