diff --git a/doc/bin/gen_lcd_screen.sh b/doc/bin/gen_lcd_screen.sh
index ef05d06..948eaf8 100755
--- a/doc/bin/gen_lcd_screen.sh
+++ b/doc/bin/gen_lcd_screen.sh
@@ -65,4 +65,9 @@ do
 	done
 done
 
-mv /tmp/LCD_$$.png /tmp/LCD.png
+if [ "${3}" ]
+then
+	mv /tmp/LCD_$$.png "${3}"
+else
+	echo "Created /tmp/LCD_$$.png"
+fi