diff --git a/src/engine/shared/demo.cpp b/src/engine/shared/demo.cpp
index 91ac4ba3b..0433d6a37 100644
--- a/src/engine/shared/demo.cpp
+++ b/src/engine/shared/demo.cpp
@@ -105,6 +105,7 @@ int CDemoRecorder::Start(class IStorage *pStorage, class IConsole *pConsole, con
 	
 	m_LastKeyFrame = -1;
 	m_LastTickMarker = -1;
+	m_FirstTick = -1;
 	
 	char aBuf[256];
 	str_format(aBuf, sizeof(aBuf), "Recording to '%s'", pFilename);
@@ -164,6 +165,8 @@ void CDemoRecorder::WriteTickMarker(int Tick, int Keyframe)
 	}	
 
 	m_LastTickMarker = Tick;
+	if(m_FirstTick < 0)
+		m_FirstTick = Tick;
 }
 
 void CDemoRecorder::Write(int Type, const void *pData, int Size)
diff --git a/src/engine/shared/demo.h b/src/engine/shared/demo.h
index 79b0021a6..d8ce70b22 100644
--- a/src/engine/shared/demo.h
+++ b/src/engine/shared/demo.h
@@ -22,6 +22,7 @@ class CDemoRecorder : public IDemoRecorder
 	IOHANDLE m_File;
 	int m_LastTickMarker;
 	int m_LastKeyFrame;
+	int m_FirstTick;
 	unsigned char m_aLastSnapshotData[CSnapshot::MAX_SIZE];
 	class CSnapshotDelta *m_pSnapshotDelta;
 	
@@ -37,6 +38,8 @@ public:
 	void RecordMessage(const void *pData, int Size);
 
 	bool IsRecording() const { return m_File != 0; }
+
+	int TickCount() const { return m_LastTickMarker - m_FirstTick; }
 };
 
 class CDemoPlayer : public IDemoPlayer