diff --git a/drivers/misc/nordic_vpr_launcher/nordic_vpr_launcher.c b/drivers/misc/nordic_vpr_launcher/nordic_vpr_launcher.c
index 2c2915a7984..5bd43f87fb9 100644
--- a/drivers/misc/nordic_vpr_launcher/nordic_vpr_launcher.c
+++ b/drivers/misc/nordic_vpr_launcher/nordic_vpr_launcher.c
@@ -7,6 +7,7 @@
 
 #include <string.h>
 
+#include <zephyr/cache.h>
 #include <zephyr/devicetree.h>
 #include <zephyr/init.h>
 #include <zephyr/logging/log.h>
@@ -38,6 +39,11 @@ static int nordic_vpr_launcher_init(const struct device *dev)
 		LOG_DBG("Loading VPR (%p) from %p to %p (%zu bytes)", config->vpr,
 			(void *)config->src_addr, (void *)config->exec_addr, config->size);
 		memcpy((void *)config->exec_addr, (void *)config->src_addr, config->size);
+#if defined(CONFIG_DCACHE)
+		LOG_DBG("Writing back cache with loaded VPR (from %p %zu bytes)",
+			(void *)config->exec_addr, config->size);
+		sys_cache_data_flush_range((void *)config->exec_addr, config->size);
+#endif
 	}
 #endif
 
diff --git a/dts/common/nordic/nrf54h20.dtsi b/dts/common/nordic/nrf54h20.dtsi
index f879e08fa52..e042df822ca 100644
--- a/dts/common/nordic/nrf54h20.dtsi
+++ b/dts/common/nordic/nrf54h20.dtsi
@@ -84,7 +84,7 @@
 			device_type = "cpu";
 			clock-frequency = <DT_FREQ_M(320)>;
 			riscv,isa = "rv32emc";
-			nordic,bus-width = <64>;
+			nordic,bus-width = <32>;
 
 			cpuflpr_vevif_rx: mailbox {
 				compatible = "nordic,nrf-vevif-task-rx";