diff --git a/samples/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot_nrf5340_bt.conf b/samples/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot_nrf5340_bt.conf
new file mode 100644
index 00000000000..05c51e50ab4
--- /dev/null
+++ b/samples/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot_nrf5340_bt.conf
@@ -0,0 +1 @@
+CONFIG_BOOT_MAX_IMG_SECTORS=220