diff --git a/include/configs/bct-brettl2.h b/include/configs/bct-brettl2.h
index 06f095c..c1eda96 100644
--- a/include/configs/bct-brettl2.h
+++ b/include/configs/bct-brettl2.h
@@ -75,6 +75,7 @@
 #define CONFIG_ROOTPATH		"/romfs/brettl2"
 /* Uncomment next line to use fixed MAC address */
 /* #define CONFIG_ETHADDR	02:80:ad:20:31:e8 */
+#define CONFIG_LIB_RAND
 #endif