diff --git a/subsys/mgmt/mcumgr/grp/img_mgmt/src/zephyr_img_mgmt.c b/subsys/mgmt/mcumgr/grp/img_mgmt/src/zephyr_img_mgmt.c
index 65d08f45a6f..cd793f2261e 100644
--- a/subsys/mgmt/mcumgr/grp/img_mgmt/src/zephyr_img_mgmt.c
+++ b/subsys/mgmt/mcumgr/grp/img_mgmt/src/zephyr_img_mgmt.c
@@ -588,6 +588,8 @@ img_mgmt_upload_inspect(const struct img_mgmt_upload_req *req,
 
 #if defined(CONFIG_MCUMGR_GRP_IMG_REJECT_DIRECT_XIP_MISMATCHED_SLOT)
 		if (hdr->ih_flags & IMAGE_F_ROM_FIXED_ADDR) {
+			const struct flash_area *fa;
+
 			rc = flash_area_open(action->area_id, &fa);
 			if (rc) {
 				IMG_MGMT_UPLOAD_ACTION_SET_RC_RSN(action,