diff --git a/recipes-core/images/core-image-minimal-initramfs.bbappend b/recipes-core/images/core-image-minimal-initramfs.bbappend
new file mode 100644
index 0000000..26fd5b0
--- /dev/null
+++ b/recipes-core/images/core-image-minimal-initramfs.bbappend
@@ -0,0 +1,7 @@
+# we sed the udev automounter so it mounts all partions on the stick/sdcard readonly
+
+change_udev_automounter_ro() {
+        sed -i -e 's/\-t auto/\-t auto \-o ro/' ${IMAGE_ROOTFS}/etc/udev/scripts/mount.sh
+}
+
+ROOTFS_POSTPROCESS_COMMAND += "change_udev_automounter_ro ; "