diff --git a/config/generic-bigtreetech-octopus.cfg b/config/generic-bigtreetech-octopus.cfg
index 4d44b1a8..d2df2c92 100644
--- a/config/generic-bigtreetech-octopus.cfg
+++ b/config/generic-bigtreetech-octopus.cfg
@@ -279,7 +279,7 @@ aliases:
     EXP2_3=PB1, EXP2_4=PA4,
     EXP2_5=PB2, EXP2_6=PA7,      # Slot in the socket on this side
     EXP2_7=PC15, EXP2_8=<RST>,
-    EXP2_9=<GND>, EXP2_10=<5V>
+    EXP2_9=<GND>, EXP2_10=PC5
 
 # See the sample-lcd.cfg file for definitions of common LCD displays.