diff --git a/libs/fastfile/PC/fastfile_cod5_pc.cpp b/libs/fastfile/PC/fastfile_cod5_pc.cpp
index 57d9b8b..e8bcd36 100644
--- a/libs/fastfile/PC/fastfile_cod5_pc.cpp
+++ b/libs/fastfile/PC/fastfile_cod5_pc.cpp
@@ -75,9 +75,9 @@ bool FastFile_COD5_PC::Load(const QByteArray aData) {
     StatusBarManager::instance().updateStatus("Loading COD5 Fast File w/data", 1000);
     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 COD5, simply decompress from offset 12.
     decompressedData = Compression::DecompressZLIB(aData.mid(12));