diff --git a/public/engine/ivdebugoverlay.h b/public/engine/ivdebugoverlay.h
index f1e404f9..6b77bf30 100644
--- a/public/engine/ivdebugoverlay.h
+++ b/public/engine/ivdebugoverlay.h
@@ -39,6 +39,7 @@ public:
 	virtual void AddTextOverlay(const Vector& origin, float duration, const char *format, ...) = 0;
 	virtual void AddTextOverlay(const Vector& origin, int line_offset, float duration, const char *format, ...) = 0;
 	virtual void AddScreenTextOverlay(float flXPos, float flYPos,float flDuration, int r, int g, int b, int a, const char *text) = 0;
+	virtual void AddScreenTextOverlay(float flXPos, float flYPos, int line_offset, float flDuration, int r, int g, int b, int a, const char *text) = 0;
 	virtual void AddSweptBoxOverlay(const Vector& start, const Vector& end, const Vector& mins, const Vector& max, const QAngle & angles, int r, int g, int b, int a, float flDuration) = 0;
 	virtual void AddGridOverlay(const Vector& origin) = 0;
 	virtual int ScreenPosition(const Vector& point, Vector& screen) = 0;