diff --git a/sys/configuration.h b/sys/configuration.h
index 5bde747..a89cd51 100644
--- a/sys/configuration.h
+++ b/sys/configuration.h
@@ -26,6 +26,10 @@
 #define OC_HEART_BEAT          1
 #define OC_EUID                2
 
+/* Possible options for configure_lwobject().
+ */
+#define LC_EUID                          0
+
 /* Possible options for configure_driver().
  */
 #define DC_MEMORY_LIMIT                  0