diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 9dd1a059bd..05512e8d2a 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -3697,7 +3697,7 @@
  * Note that G0 feedrates should be used with care for 3D printing (if used at all).
  * High feedrates may cause ringing and harm print quality.
  */
-//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+#define PAREN_COMMENTS        // Support for parentheses-delimited comments
 //#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
 
 // Enable and set a (default) feedrate for all G0 moves