diff --git a/docs/docs/reference/diagram.mdx b/docs/docs/reference/diagram.mdx
index a70a6e3d..4223792b 100644
--- a/docs/docs/reference/diagram.mdx
+++ b/docs/docs/reference/diagram.mdx
@@ -27,7 +27,7 @@ How the Photodiode is connected to the ESP board of your choice.
 | PHOTODIODE | ESP32        | Wemos D1 / ESP8266 |
 |------------|--------------|--------------------|
 | A0         | NOT USING    | NOT USING          |
-| DO         | D13 (GPIO13) | D7 (GPIO13)        |
+| DO         | D26 (GPIO26) | D7 (GPIO13)        |
 | VCC        | 3V3          | 3V3                |
 | GND        | GND          | GND                |
 
diff --git a/home-assistant-glow/esp32.yaml b/home-assistant-glow/esp32.yaml
index c5a180f1..bd998548 100644
--- a/home-assistant-glow/esp32.yaml
+++ b/home-assistant-glow/esp32.yaml
@@ -12,7 +12,7 @@ substitutions:
   device_description: "Measure your energy consumption with the pulse LED on your smart meter - ESP32"
 
   # Define the GPIO pins
-  pulse_pin: GPIO13
+  pulse_pin: GPIO26
   status_led: GPIO5
   led_pin_red: GPIO2
   led_pin_green: GPIO4