diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index c4dc46271..5d13d6e61 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -1090,8 +1090,8 @@
 // The size of the print bed
 
 // endtable glass bed (2 tape widths)
-#define X_BED_SIZE 200
-#define Y_BED_SIZE 320
+#define X_BED_SIZE 340
+#define Y_BED_SIZE 240
 
 // Maximum size
 // #define X_BED_SIZE 700