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-rw-r--r--Source/Core/DiscIO/Blob.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/Core/DiscIO/Blob.cpp b/Source/Core/DiscIO/Blob.cpp
index 19bd9faf7d..0b726c3ffb 100644
--- a/Source/Core/DiscIO/Blob.cpp
+++ b/Source/Core/DiscIO/Blob.cpp
@@ -141,7 +141,7 @@ u32 SectorReader::ReadChunk(u8* buffer, u64 chunk_num)
// If we are reading the end of a disk, there may not be enough blocks to
// read a whole chunk. We need to clamp down in that case.
- u64 end_block = GetDataSize() / m_block_size;
+ u64 end_block = (GetDataSize() + m_block_size - 1) / m_block_size;
if (end_block)
cnt_blocks = static_cast<u32>(std::min<u64>(m_chunk_blocks, end_block - block_num));