diff --git a/samples/bluetooth/hci_ipc/boards/nrf54h20dk_nrf54h20_cpurad.conf b/samples/bluetooth/hci_ipc/boards/nrf54h20dk_nrf54h20_cpurad.conf
new file mode 100644
index 000000000000..296e68366389
--- /dev/null
+++ b/samples/bluetooth/hci_ipc/boards/nrf54h20dk_nrf54h20_cpurad.conf
@@ -0,0 +1,2 @@
+# Increase stack size for Cracen driver.
+CONFIG_MAIN_STACK_SIZE=1024