diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 7e68203fe1ba..25673eacdd88 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -768,7 +768,7 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
 	uint8_t *p = buf;
 	uint8_t *ecc_calc = chip->buffers->ecccalc;
 	uint8_t *ecc_code = chip->buffers->ecccode;
-	int *eccpos = chip->ecc.layout->eccpos;
+	uint32_t *eccpos = chip->ecc.layout->eccpos;
 
 	chip->ecc.read_page_raw(mtd, chip, buf);
 
@@ -810,7 +810,7 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
 	uint8_t *p = buf;
 	uint8_t *ecc_calc = chip->buffers->ecccalc;
 	uint8_t *ecc_code = chip->buffers->ecccode;
-	int *eccpos = chip->ecc.layout->eccpos;
+	uint32_t *eccpos = chip->ecc.layout->eccpos;
 
 	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
 		chip->ecc.hwctl(mtd, NAND_ECC_READ);
@@ -1416,7 +1416,7 @@ static void nand_write_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
 	int eccsteps = chip->ecc.steps;
 	uint8_t *ecc_calc = chip->buffers->ecccalc;
 	const uint8_t *p = buf;
-	int *eccpos = chip->ecc.layout->eccpos;
+	uint32_t *eccpos = chip->ecc.layout->eccpos;
 
 	/* Software ecc calculation */
 	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize)
@@ -1442,7 +1442,7 @@ static void nand_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
 	int eccsteps = chip->ecc.steps;
 	uint8_t *ecc_calc = chip->buffers->ecccalc;
 	const uint8_t *p = buf;
-	int *eccpos = chip->ecc.layout->eccpos;
+	uint32_t *eccpos = chip->ecc.layout->eccpos;
 
 	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
 		chip->ecc.hwctl(mtd, NAND_ECC_WRITE);