diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index ed675aeff6..f9b5cd9e6e 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -2293,7 +2293,7 @@
 #endif
 
 // G5 Bézier Curve Support with XYZE destination and IJPQ offsets
-//#define BEZIER_CURVE_SUPPORT        // Requires ~2666 bytes
+#define BEZIER_CURVE_SUPPORT        // Requires ~2666 bytes
 
 #if EITHER(ARC_SUPPORT, BEZIER_CURVE_SUPPORT)
   //#define CNC_WORKSPACE_PLANES      // Allow G2/G3/G5 to operate in XY, ZX, or YZ planes