diff --git a/drivers/mtd/nand/nand_timings.c b/drivers/mtd/nand/nand_timings.c
index 8b36253420fa..e81470a8ac67 100644
--- a/drivers/mtd/nand/nand_timings.c
+++ b/drivers/mtd/nand/nand_timings.c
@@ -42,7 +42,7 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 		.tRHZ_max = 200000,
 		.tRLOH_min = 0,
 		.tRP_min = 50000,
-		.tRST_max = 250000000000,
+		.tRST_max = 250000000000ULL,
 		.tWB_max = 200000,
 		.tRR_min = 40000,
 		.tWC_min = 100000,