diff --git a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
index b4faf05356..a2d30cd0b6 100644
--- a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
+++ b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
@@ -232,9 +232,9 @@ static int ifxmips_mtd_probe(struct platform_device *dev)
 
 	if (err <= 0) {
 		if (ifxmips_has_brn_block()) {
-			parts[4].size -= ifxmips_mtd->erasesize;
-			parts[5].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize;
-			parts[5].size = ifxmips_mtd->erasesize;
+			parts[3].size -= ifxmips_mtd->erasesize;
+			parts[4].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize;
+			parts[4].size = ifxmips_mtd->erasesize;
 		} else {
 			num_parts--;
 		}