diff --git a/Source/Core/Core/HW/EXI_DeviceEthernet.cpp b/Source/Core/Core/HW/EXI_DeviceEthernet.cpp
index d6b3a1d7ea..f20cb1d456 100644
--- a/Source/Core/Core/HW/EXI_DeviceEthernet.cpp
+++ b/Source/Core/Core/HW/EXI_DeviceEthernet.cpp
@@ -345,6 +345,8 @@ void CEXIETHERNET::MXCommandHandler(u32 data, u32 size)
   case BBA_WRTXFIFOD:
     if (size == 2)
       data = Common::swap16(data & 0xffff);
+    else if (size == 3)
+      data = Common::swap32(data & 0xffffff) >> 8;
     else if (size == 4)
       data = Common::swap32(data);
     DirectFIFOWrite((u8*)&data, size);