diff --git a/board/zoombini/board.c b/board/zoombini/board.c
index 4883a64d19..86ae2d8fff 100644
--- a/board/zoombini/board.c
+++ b/board/zoombini/board.c
@@ -182,10 +182,25 @@ DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT);
 
 static void board_init(void)
 {
+	struct charge_port_info chg;
+	int i;
+
 	/* Enable TCPC interrupts. */
 	gpio_enable_interrupt(GPIO_USB_C0_PD_INT_L);
 	gpio_enable_interrupt(GPIO_USB_C1_PD_INT_L);
 	gpio_enable_interrupt(GPIO_USB_C2_PD_INT_L);
+
+	/* Initialize VBUS suppliers. */
+	for (i = 0; i < CONFIG_USB_PD_PORT_COUNT; i++) {
+		if (tcpm_get_vbus_level(i)) {
+			chg.voltage = 5000;
+			chg.current = USB_CHARGER_MIN_CURR_MA;
+		} else {
+			chg.voltage = 0;
+			chg.current = 0;
+		}
+		charge_manager_update_charge(CHARGE_SUPPLIER_VBUS, i, &chg);
+	}
 }
 DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);