diff --git a/ina260.c b/ina260.c
index 030d424..96e2b3c 100755
--- a/ina260.c
+++ b/ina260.c
@@ -17,10 +17,10 @@
 #define INA260_REG_ALERTLIMIT 0x07
 #define INA260_REG_MANUFACTURER 0xFE
 #define INA260_REG_DIE 0xFF
-
 #undef current
 
 static struct regmap_config ina260_regmap_config = {
+    .max_register = 0xFF,
 	.reg_bits = 8,
 	.val_bits = 16,
 };