diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ This code is designed to decode data from electric smart meters installed in man
 Later development have added Energy usage graph for both day and month, as well as future energy price. The code can run on any ESP8266 or ESP32 hardware which you can read more about in the [WiKi](https://github.com/gskjold/AmsToMqttBridge/wiki). If you don't have the knowledge to set up a ESP device yourself, have a look at the shop at [amsleser.no](https://amsleser.no/).
 
 
-<img src="webui.jpg">
+<img src="webui.png">
 
 Go to the [WiKi](https://github.com/gskjold/AmsToMqttBridge/wiki) for information on how to get your own device! And find the latest prebuilt firmware file at the [release section](https://github.com/gskjold/AmsToMqttBridge/releases).