diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 5c7c5112a3..3dc37c901e 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -2202,7 +2202,7 @@
 //
 // G20/G21 Inch mode support
 //
-//#define INCH_MODE_SUPPORT
+#define INCH_MODE_SUPPORT
 
 //
 // M149 Set temperature units support