DiscIO: Use partition data offset for ReadWiiDecrypted parameter

Instead of the partition offset (which is usually 0x20000 less).

1 files changed, 6 insertions, 3 deletions

diff --git a/Source/Core/DiscIO/VolumeWii.cpp b/Source/Core/DiscIO/VolumeWii.cpp
index d2a1fba3db..970f3ad7e5 100644
--- a/Source/Core/DiscIO/VolumeWii.cpp
+++ b/Source/Core/DiscIO/VolumeWii.cpp
@@ -162,14 +162,17 @@ bool VolumeWii::Read(u64 offset, u64 length, u8* buffer, const Partition& partit
   if (partition == PARTITION_NONE)
     return m_reader->Read(offset, length, buffer);
 
-  if (m_reader->SupportsReadWiiDecrypted())
-    return m_reader->ReadWiiDecrypted(offset, length, buffer, partition.offset);
-
   auto it = m_partitions.find(partition);
   if (it == m_partitions.end())
     return false;
   const PartitionDetails& partition_details = it->second;
 
+  if (m_reader->SupportsReadWiiDecrypted())
+  {
+    return m_reader->ReadWiiDecrypted(offset, length, buffer,
+                                      partition.offset + *partition_details.data_offset);
+  }
+
   if (!m_encrypted)
   {
     return m_reader->Read(partition.offset + *partition_details.data_offset + offset, length,