diff --git a/firmware/config/boards/hellen/alphax-4chan/connectors/main.yaml b/firmware/config/boards/hellen/alphax-4chan/connectors/main.yaml
index 4bade44714..ed6c4b2c1d 100644
--- a/firmware/config/boards/hellen/alphax-4chan/connectors/main.yaml
+++ b/firmware/config/boards/hellen/alphax-4chan/connectors/main.yaml
@@ -24,8 +24,8 @@ pins:
     color: purple
 
   - pin: A4
-    # H144_OUT_PWM3
-    id: GPIOC_7
+    # H144_OUT_IO13
+    id: GPIOG_6
     class: outputs
     function: Tachometer Output
     ts_name: A4 - Tachometer