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 00000000000..2df3fd73c0e
--- /dev/null
+++ b/samples/bluetooth/hci_ipc/boards/nrf54h20dk_nrf54h20_cpurad.conf
@@ -0,0 +1 @@
+CONFIG_MAIN_STACK_SIZE=1024