diff --git a/platform/iphone/os_iphone.h b/platform/iphone/os_iphone.h
index 6c7eaa41299..7d73a6fe5cc 100644
--- a/platform/iphone/os_iphone.h
+++ b/platform/iphone/os_iphone.h
@@ -151,6 +151,7 @@ public:
 	virtual void set_mouse_grab(bool p_grab);
 	virtual bool is_mouse_grab_enabled() const;
 	virtual Point2 get_mouse_position() const;
+	virtual int get_mouse_button_state() const;
 	virtual void set_window_title(const String &p_title);
 
 	virtual void alert(const String &p_alert, const String &p_title = "ALERT!");