diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 2c6bf3982..742f33d9f 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -298,7 +298,7 @@ const bool Z_ENDSTOPS_INVERTING = true; // set to true to invert the logic of th
 
 // The RepRapDiscount Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Smart_Controller
-//#define REPRAPDISCOUNTSC
+//#define REPRAP_DISCOUNT_SMART_CONTROLLER
 
 
 //automatic expansion
diff --git a/Marlin/pins.h b/Marlin/pins.h
index f968da807..a14db4702 100644
--- a/Marlin/pins.h
+++ b/Marlin/pins.h
@@ -405,7 +405,7 @@
     #define encrot2 3
     #define encrot3 1
 
-    #ifdef REPRAPDISCOUNTSC
+    #ifdef REPRAP_DISCOUNT_SMART_CONTROLLER
       // Override partially the above definitions
       #define KILL_PIN 41
       #define LCD_PINS_RS 16