diff --git a/drivers/regulator/tps65132-regulator.c b/drivers/regulator/tps65132-regulator.c
index a949206065d4..a2fc7322f434 100644
--- a/drivers/regulator/tps65132-regulator.c
+++ b/drivers/regulator/tps65132-regulator.c
@@ -214,7 +214,7 @@ static const struct regmap_access_table tps65132_no_reg_table = {
 static const struct regmap_config tps65132_regmap_config = {
 	.reg_bits	= 8,
 	.val_bits	= 8,
-	.max_register	= TPS65132_REG_CONTROL + 1,
+	.max_register	= TPS65132_REG_CONTROL,
 	.cache_type	= REGCACHE_NONE,
 	.rd_table	= &tps65132_no_reg_table,
 	.wr_table	= &tps65132_no_reg_table,