diff --git a/src/engine/client/client.cpp b/src/engine/client/client.cpp
index 162623267..06b399eae 100644
--- a/src/engine/client/client.cpp
+++ b/src/engine/client/client.cpp
@@ -3791,8 +3791,7 @@ const char *CClient::DemoPlayer_Play(const char *pFilename, int StorageType)
 		return m_DemoPlayer.ErrorMessage();
 	}
 
-	m_Sixup = str_startswith(m_DemoPlayer.Info()->m_Header.m_aNetversion, "0.7");
-	m_DemoPlayer.SetSixup(m_Sixup);
+	m_Sixup = m_DemoPlayer.IsSixup();
 
 	// load map
 	const CMapInfo *pMapInfo = m_DemoPlayer.GetMapInfo();
diff --git a/src/engine/shared/demo.cpp b/src/engine/shared/demo.cpp
index 4a3c67a5f..161e0d6cc 100644
--- a/src/engine/shared/demo.cpp
+++ b/src/engine/shared/demo.cpp
@@ -805,6 +805,7 @@ int CDemoPlayer::Load(class IStorage *pStorage, class IConsole *pConsole, const
 		str_copy(m_aFilename, "");
 		return -1;
 	}
+	m_Sixup = str_startswith(m_Info.m_Header.m_aNetversion, "0.7");
 
 	// save byte offset of map for later use
 	m_MapOffset = io_tell(m_File);
diff --git a/src/engine/shared/demo.h b/src/engine/shared/demo.h
index 32777b424..0230e6023 100644
--- a/src/engine/shared/demo.h
+++ b/src/engine/shared/demo.h
@@ -178,7 +178,6 @@ public:
 
 	int Update(bool RealTime = true);
 	bool IsSixup() const { return m_Sixup; }
-	void SetSixup(bool Sixup) { m_Sixup = Sixup; }
 
 	const CPlaybackInfo *Info() const { return &m_Info; }
 	bool IsPlaying() const override { return m_File != nullptr; }