diff --git a/README.md b/README.md
index a3a1bd6..e61982d 100644
--- a/README.md
+++ b/README.md
@@ -5,15 +5,15 @@ ein
 
 
 
-<img src="pic/mosquitto-200px.png" alt="mqtt" width="100"/>  
+<img src="pic/mosquitto_logo.png" alt="mqtt" width="100"/>  
 <br><br>
 
 
 <img src="pic/telegraf-logo.png" alt="mqtt" width="250"/>
 <br><br>
-<img src="pic/influxdb_logo.svg.png" alt="mqtt" width="250"/>
+<img src="pic/Influxdb_log.png" alt="mqtt" width="250"/>
 <br><br>
-<img src="pic/grafana.png" alt="mqtt" width="100"/>
+<img src="pic/grafana_logo.png" alt="mqtt" width="100"/>
 
 
 Stack
diff --git a/pic/Influxdb_logo.svg.png b/pic/Influxdb_log.png
similarity index 100%
rename from pic/Influxdb_logo.svg.png
rename to pic/Influxdb_log.png
diff --git a/pic/grafana.png b/pic/grafana_logo.png
similarity index 100%
rename from pic/grafana.png
rename to pic/grafana_logo.png
diff --git a/pic/mosquitto-200px.png b/pic/mosquitto_logo.png
similarity index 100%
rename from pic/mosquitto-200px.png
rename to pic/mosquitto_logo.png