diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c
index d7cd4e2657661bd32e8a673e44b3994b519ebb66..19fd7e7a396915291e0d6c177dee8c35b2e5774b 100644
--- a/drivers/base/power/opp/core.c
+++ b/drivers/base/power/opp/core.c
@@ -1157,8 +1157,14 @@ static int opp_parse_supplies(struct dev_pm_opp *opp, struct device *dev,
 	}
 
 	opp->u_volt = microvolt[0];
-	opp->u_volt_min = microvolt[1];
-	opp->u_volt_max = microvolt[2];
+
+	if (count == 1) {
+		opp->u_volt_min = opp->u_volt;
+		opp->u_volt_max = opp->u_volt;
+	} else {
+		opp->u_volt_min = microvolt[1];
+		opp->u_volt_max = microvolt[2];
+	}
 
 	/* Search for "opp-microamp-<name>" */
 	prop = NULL;