diff --git a/target/linux/generic/patches-3.6/400-rootfs_split.patch b/target/linux/generic/patches-3.6/400-rootfs_split.patch
index 976f56002d..8e61f77869 100644
--- a/target/linux/generic/patches-3.6/400-rootfs_split.patch
+++ b/target/linux/generic/patches-3.6/400-rootfs_split.patch
@@ -55,7 +55,7 @@
 +	struct squashfs_super_block sb;
 +	int len, ret;
 +
-+	ret = master->_read(master, offset, sizeof(sb), &len, (void *) &sb);
++	ret = mtd_read(master, offset, sizeof(sb), &len, (void *) &sb);
 +	if (ret || (len != sizeof(sb))) {
 +		printk(KERN_ALERT "split_squashfs: error occured while reading "
 +			"from \"%s\"\n", master->name);