diff --git a/files/initrd/opt/rr/menu.sh b/files/initrd/opt/rr/menu.sh
index 026139fe..6f941390 100755
--- a/files/initrd/opt/rr/menu.sh
+++ b/files/initrd/opt/rr/menu.sh
@@ -1739,7 +1739,7 @@ function advancedMenu() {
       (
         for I in ${RESP}; do
           if [[ "${I}" = /dev/mmc* ]]; then
-            echo y | mkdosfs -F32 "${I}"
+            echo y | mkfs.ext4 -T largefile4 -E nodiscard "${I}"
           else
             echo y | mkfs.ext4 -T largefile4 "${I}"
           fi