diff --git a/libs/fastfile/360/fastfile_cod8_360.cpp b/libs/fastfile/360/fastfile_cod8_360.cpp
index 892fc2c..815c146 100644
--- a/libs/fastfile/360/fastfile_cod8_360.cpp
+++ b/libs/fastfile/360/fastfile_cod8_360.cpp
@@ -69,12 +69,12 @@ bool FastFile_COD8_360::Load(const QString aFilePath) {
 bool FastFile_COD8_360::Load(const QByteArray aData) {
     QByteArray decompressedData;
 
-    // Create a QDataStream on the input data.
-    QDataStream fastFileStream(aData);
-    fastFileStream.setByteOrder(QDataStream::LittleEndian);
+    // Create a XDataStream on the input data.
+    XDataStream fastFileStream(aData);
+    fastFileStream.setByteOrder(XDataStream::LittleEndian);
 
     // For COD7/COD9, use BigEndian.
-    fastFileStream.setByteOrder(QDataStream::BigEndian);
+    fastFileStream.setByteOrder(XDataStream::BigEndian);
 
     // Select key based on game.
     QByteArray key = QByteArray::fromHex("0E50F49F412317096038665622DD091332A209BA0A05A00E1377CEDB0A3CB1D3");