diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index b13cd074c52a..53a590769e73 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -166,8 +166,8 @@ static int __power_supply_populate_supplied_from(struct device *dev,
 		if (np == epsy->of_node) {
 			dev_info(&psy->dev, "%s: Found supply : %s\n",
 				psy->desc->name, epsy->desc->name);
-			psy->supplied_from[i-1] = (char *)epsy->desc->name;
-			psy->num_supplies++;
+			psy->supplied_from[psy->num_supplies++] =
+				(char *)epsy->desc->name;
 			of_node_put(np);
 			break;
 		}