diff --git a/plat/socionext/uniphier/uniphier.h b/plat/socionext/uniphier/uniphier.h
index 8d5aa86..808b850 100644
--- a/plat/socionext/uniphier/uniphier.h
+++ b/plat/socionext/uniphier/uniphier.h
@@ -40,7 +40,8 @@
 struct io_block_dev_spec;
 int uniphier_emmc_init(unsigned int soc,
 		       struct io_block_dev_spec **block_dev_spec);
-int uniphier_nand_init(struct io_block_dev_spec **block_dev_spec);
+int uniphier_nand_init(unsigned int soc,
+		       struct io_block_dev_spec **block_dev_spec);
 int uniphier_usb_init(unsigned int soc,
 		      struct io_block_dev_spec **block_dev_spec);