diff --git a/config/examples/Creality/Ender-3 Pro/Configuration_adv.h b/config/examples/Creality/Ender-3 Pro/Configuration_adv.h
index 1568b08863..0705eccdcd 100644
--- a/config/examples/Creality/Ender-3 Pro/Configuration_adv.h	
+++ b/config/examples/Creality/Ender-3 Pro/Configuration_adv.h	
@@ -1131,7 +1131,7 @@
   // Enable this option and set to HIGH if your SD cards are incorrectly detected.
   //#define SD_DETECT_STATE HIGH
 
-  //#define SDCARD_READONLY                 // Read-only SD card (to save over 2K of flash)
+  #define SDCARD_READONLY                   // Read-only SD card (to save over 2K of flash)
 
   #define SD_PROCEDURE_DEPTH 1              // Increase if you need more nested M32 calls
 
diff --git a/config/examples/Creality/Ender-3/CrealityV1/Configuration_adv.h b/config/examples/Creality/Ender-3/CrealityV1/Configuration_adv.h
index 657870f1b4..4b5c63ff55 100644
--- a/config/examples/Creality/Ender-3/CrealityV1/Configuration_adv.h
+++ b/config/examples/Creality/Ender-3/CrealityV1/Configuration_adv.h
@@ -1131,7 +1131,7 @@
   // Enable this option and set to HIGH if your SD cards are incorrectly detected.
   //#define SD_DETECT_STATE HIGH
 
-  //#define SDCARD_READONLY                 // Read-only SD card (to save over 2K of flash)
+  #define SDCARD_READONLY                   // Read-only SD card (to save over 2K of flash)
 
   #define SD_PROCEDURE_DEPTH 1              // Increase if you need more nested M32 calls