diff --git a/meta-ibm/recipes-phosphor/leds/phosphor-led-manager_%.bbappend b/meta-ibm/recipes-phosphor/leds/phosphor-led-manager_%.bbappend
index 325d8bf..ba146bc 100644
--- a/meta-ibm/recipes-phosphor/leds/phosphor-led-manager_%.bbappend
+++ b/meta-ibm/recipes-phosphor/leds/phosphor-led-manager_%.bbappend
@@ -6,7 +6,8 @@
 SYSTEMD_ENVIRONMENT_FILE_${PN}-ledmanager_append_rainier +="obmc/led/set-all/groups/config"
 
 # Use the JSON configuration file at runtime than the static led.yaml
-PACKAGECONFIG_append_rainier = " use-json"
+# Also, enable Lamp Test feature for rainier systems
+PACKAGECONFIG_append_rainier = " use-json use-lamp-test"
 
 pkg_postinst_${PN}-ledmanager_rainier () {