diff --git a/layers/meta-belden-coreos/classes/coreos-container-image.bbclass b/layers/meta-belden-coreos/classes/coreos-container-image.bbclass
index c1cd5e8..7d68e40 100644
--- a/layers/meta-belden-coreos/classes/coreos-container-image.bbclass
+++ b/layers/meta-belden-coreos/classes/coreos-container-image.bbclass
@@ -51,3 +51,7 @@ rootfs_fixup_var_volatile () {
     ln -sf ${localstatedir}/volatile/tmp ${IMAGE_ROOTFS}/${localstatedir}/tmp
     ln -sf ${localstatedir}/volatile/log ${IMAGE_ROOTFS}/${localstatedir}/log
 }
+
+# Add support for plugin classes like in coreos-image.bbclass
+COREOS_IMAGE_EXTRACLASSES ?= ""
+inherit ${COREOS_IMAGE_EXTRACLASSES}