diff --git a/tests/bluetooth/bt_crypto/boards/qemu_cortex_m3.conf b/tests/bluetooth/bt_crypto/boards/qemu_cortex_m3.conf
new file mode 100644
index 00000000000..36ace22354c
--- /dev/null
+++ b/tests/bluetooth/bt_crypto/boards/qemu_cortex_m3.conf
@@ -0,0 +1,2 @@
+CONFIG_TEST_EXTRA_STACK_SIZE=1024
+CONFIG_MAIN_STACK_SIZE=2048