diff --git a/README.md b/README.md
index e79950867..b9e6e091a 100644
--- a/README.md
+++ b/README.md
@@ -126,7 +126,7 @@ Powering the ESP can be either via a USB and PC or external 5V power supply or f
 
 Power circuit | Example |
 --- | --- 
-![Power circuit](doc/schematics/power.png) | ![Breadboard](doc/schematics/breadboard_example.png) |
+![Power circuit](doc/schematics/power.PNG) | ![Breadboard](doc/schematics/breadboard_example.png) |
 
 ## Known Issues