diff --git a/drivers/mbox/mbox_nrf_vevif_event_rx.c b/drivers/mbox/mbox_nrf_vevif_event_rx.c
index 4b2760fe5a98c..62adb7e709860 100644
--- a/drivers/mbox/mbox_nrf_vevif_event_rx.c
+++ b/drivers/mbox/mbox_nrf_vevif_event_rx.c
@@ -135,7 +135,7 @@ static int vevif_event_rx_init(const struct device *dev)
 		.enabled_mask = 0,                                                                 \
 	};                                                                                         \
 	static const struct mbox_vevif_event_rx_conf conf##inst = {                                \
-		.vpr = (NRF_VPR_Type *)DT_INST_REG_ADDR(inst),                                     \
+		.vpr = (NRF_VPR_Type *)DT_REG_ADDR(DT_INST_PARENT(inst)),                          \
 		.events = DT_INST_PROP(inst, nordic_events),                                       \
 		.events_mask = DT_INST_PROP(inst, nordic_events_mask),                             \
 		.irq_connect = irq_connect##inst,                                                  \
diff --git a/dts/arm/nordic/nrf54l_05_10_15_cpuapp.dtsi b/dts/arm/nordic/nrf54l_05_10_15_cpuapp.dtsi
index 6a02234136f13..a05b7ac1a4603 100644
--- a/dts/arm/nordic/nrf54l_05_10_15_cpuapp.dtsi
+++ b/dts/arm/nordic/nrf54l_05_10_15_cpuapp.dtsi
@@ -37,7 +37,7 @@ nvic: &cpuapp_nvic {};
 &cpuflpr_vpr {
 	cpuapp_vevif_rx: mailbox@1 {
 		compatible = "nordic,nrf-vevif-event-rx";
-		reg = <0x0 0x1000>;
+		reg = <0x1 0x1000>;
 		status = "disabled";
 		interrupts = <76 NRF_DEFAULT_IRQ_PRIORITY>;
 		#mbox-cells = <1>;