diff --git a/Marlin/pins_3DRAG.h b/Marlin/pins_3DRAG.h
index 726ac375fa..bd0cec2451 100644
--- a/Marlin/pins_3DRAG.h
+++ b/Marlin/pins_3DRAG.h
@@ -58,7 +58,10 @@
 // SD Card
 //
 #undef SDSS
-#define SDSS               25//53
+#define SDSS               25
+
+#undef SD_DETECT_PIN
+#define SD_DETECT_PIN      53
 
 //
 // Heaters / Fans