diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 9a549f9dc2..86bc9e84a6 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -638,7 +638,7 @@
 #if ENABLED(MachineEnder3S1)
   #define E0_AUTO_FAN_PIN PC0
 #else
-  #define E0_AUTO_FAN_PIN -1
+  //#define E0_AUTO_FAN_PIN -1
 #endif
 #define E1_AUTO_FAN_PIN -1
 #define E2_AUTO_FAN_PIN -1