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
index 05c51e50ab4..4ebbf98cf20 100644
--- a/samples/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot_nrf5340_bt.conf
+++ b/samples/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot_nrf5340_bt.conf
@@ -1 +1 @@
-CONFIG_BOOT_MAX_IMG_SECTORS=220
+CONFIG_BOOT_MAX_IMG_SECTORS=240