diff --git a/redfish-core/lib/redfish_util.hpp b/redfish-core/lib/redfish_util.hpp
index 60626a5..7345f01 100644
--- a/redfish-core/lib/redfish_util.hpp
+++ b/redfish-core/lib/redfish_util.hpp
@@ -13,8 +13,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 */
-#ifndef BMCWEB_ENABLE_REDFISH_ONE_CHASSIS
 #pragma once
+#ifndef BMCWEB_ENABLE_REDFISH_ONE_CHASSIS
 
 namespace redfish
 {