diff --git a/README.md b/README.md
index ad82c88d..a96c35d5 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Or an TypeScript on your ioBroker Instance in case you are an ioBroker User.
 
 NsPanel needs to be flashed with Tasmota (or upcoming with ESPHome)
 
-![nspanel-rl](doc-pics/nspanel-rl.PNG)
+![nspanel-rl](doc-pics/nspanel-rl.png)
 
 ## Features
 
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