diff --git a/Source/Core/Core/HW/GCMemcard/GCMemcardDirectory.cpp b/Source/Core/Core/HW/GCMemcard/GCMemcardDirectory.cpp
index c07c6f19d1..435bbad164 100644
--- a/Source/Core/Core/HW/GCMemcard/GCMemcardDirectory.cpp
+++ b/Source/Core/Core/HW/GCMemcard/GCMemcardDirectory.cpp
@@ -430,7 +430,7 @@ void GCMemcardDirectory::ClearBlock(u32 address)
     if (m_last_block == -1)
       return;
   }
-  ((Memcard::GCMBlock*)m_last_block_address)->Erase();
+  std::memset(m_last_block_address, 0xFF, Memcard::BLOCK_SIZE);
 }
 
 inline void GCMemcardDirectory::SyncSaves()