diff --git a/board/reef/battery.c b/board/reef/battery.c
index 9480dfd548..1f11dd390c 100644
--- a/board/reef/battery.c
+++ b/board/reef/battery.c
@@ -154,6 +154,8 @@ int charger_profile_override(struct charge_state_data *curr)
 	int batt_voltage;
 	static int prev_batt_voltage;
 
+	charger_discharge_on_ac(!(curr->batt.flags & BATT_FLAG_WANT_CHARGE));
+
 	/*
 	 * Determine temperature range. The five ranges are:
 	 *   < 0C