diff --git a/recipes-phosphor/bmcweb/bmcweb_%.bbappend b/recipes-phosphor/bmcweb/bmcweb_%.bbappend
index 0765ddf..1035bf1 100644
--- a/recipes-phosphor/bmcweb/bmcweb_%.bbappend
+++ b/recipes-phosphor/bmcweb/bmcweb_%.bbappend
@@ -1 +1 @@
-EXTRA_OECMAKE_df-openpower += "-DBMCWEB_ENABLE_REDFISH_DBUS_LOG_ENTRIES=ON"
+EXTRA_OECMAKE_append_df-openpower = " -DBMCWEB_ENABLE_REDFISH_DBUS_LOG_ENTRIES=ON"