diff --git a/Assets/dll/melonDS.wbx.zst b/Assets/dll/melonDS.wbx.zst
index a5f6cadac1..bb57e55659 100644
Binary files a/Assets/dll/melonDS.wbx.zst and b/Assets/dll/melonDS.wbx.zst differ
diff --git a/waterbox/melon/BizFileManager.cpp b/waterbox/melon/BizFileManager.cpp
index 380e083618..0763a7c683 100644
--- a/waterbox/melon/BizFileManager.cpp
+++ b/waterbox/melon/BizFileManager.cpp
@@ -315,7 +315,7 @@ static void SanitizeNANDSettings(DSi_NAND::DSiFirmwareSystemSettings& settings)
 
 const char* InitNAND(FirmwareSettings& fwSettings, bool clearNand, bool dsiWare)
 {
-	auto nand = DSi_NAND::NANDImage(Platform::OpenFile("nand.bin", Platform::FileMode::Read), &DSi::ARM7iBIOS[0x8308]);
+	auto nand = DSi_NAND::NANDImage(Platform::OpenFile("nand.bin", Platform::FileMode::ReadWrite), &DSi::ARM7iBIOS[0x8308]);
 	if (!nand)
 	{
 		return "Failed to parse DSi NAND!";