diff --git a/tests/subsys/logging/log_backend_fs/boards/native_sim_native_64.conf b/tests/subsys/logging/log_backend_fs/boards/native_sim_native_64.conf
new file mode 100644
index 00000000000..92c00c89a36
--- /dev/null
+++ b/tests/subsys/logging/log_backend_fs/boards/native_sim_native_64.conf
@@ -0,0 +1 @@
+CONFIG_LOG_MODE_DEFERRED=y
diff --git a/tests/subsys/logging/log_backend_fs/boards/native_sim_native_64.overlay b/tests/subsys/logging/log_backend_fs/boards/native_sim_native_64.overlay
new file mode 100644
index 00000000000..91647f82e20
--- /dev/null
+++ b/tests/subsys/logging/log_backend_fs/boards/native_sim_native_64.overlay
@@ -0,0 +1,6 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include "native_sim.overlay"