diff --git a/include/lcd_spinbox.h b/include/lcd_spinbox.h
index d8b7faa9d..b427abfaa 100644
--- a/include/lcd_spinbox.h
+++ b/include/lcd_spinbox.h
@@ -90,6 +90,7 @@ private:
 
 signals:
 	void valueChanged( int );
+	void manualChange( void );
 
 } ;