diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index dbe248a4..68c47805 100755
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -1387,7 +1387,7 @@
   //#define SD_IGNORE_AT_STARTUP            // Don't mount the SD card when starting up
   //#define SDCARD_READONLY                 // Read-only SD card (to save over 2K of flash)
 
-  //#define GCODE_REPEAT_MARKERS            // Enable G-code M808 to set repeat markers and do looping
+  #define GCODE_REPEAT_MARKERS              // Enable G-code M808 to set repeat markers and do looping
 
   #define SD_PROCEDURE_DEPTH 1              // Increase if you need more nested M32 calls