diff --git a/libs/fastfile/fastfile.h b/libs/fastfile/fastfile.h
index 0f3d9d7..62a71fd 100644
--- a/libs/fastfile/fastfile.h
+++ b/libs/fastfile/fastfile.h
@@ -46,12 +46,12 @@ public:
     virtual void SetGame(const QString aGame);
     virtual void SetPlatform(const QString aPlatform);
 
-    static FF_COMPANY pParseFFCompany(QDataStream *afastFileStream, quint32 &aCompanyInt);
-    static FF_COMPANY pParseFFCompany(QDataStream *afastFileStream);
-    static FF_FILETYPE pParseFFFileType(QDataStream *afastFileStream);
-    static FF_SIGNAGE pParseFFSignage(QDataStream *afastFileStream);
-    static QString pParseFFMagic(QDataStream *afastFileStream);
-    static quint32 pParseFFVersion(QDataStream *afastFileStream);
+    static FF_COMPANY pParseFFCompany(XDataStream *afastFileStream, quint32 &aCompanyInt);
+    static FF_COMPANY pParseFFCompany(XDataStream *afastFileStream);
+    static FF_FILETYPE pParseFFFileType(XDataStream *afastFileStream);
+    static FF_SIGNAGE pParseFFSignage(XDataStream *afastFileStream);
+    static QString pParseFFMagic(XDataStream *afastFileStream);
+    static quint32 pParseFFVersion(XDataStream *afastFileStream);
     static QString pCalculateFFPlatform(quint32 aVersion);
     static QString pCalculateFFGame(quint32 aVersion);