diff --git a/include/env.h b/include/env.h
index 271cb3e..a74a261 100644
--- a/include/env.h
+++ b/include/env.h
@@ -55,6 +55,12 @@
 	{#name, callback}
 #endif
 
+/** enum env_redund_flags - Flags for the redundand_environment */
+enum env_redund_flags {
+	ENV_REDUND_OBSOLETE = 0,
+	ENV_REDUND_ACTIVE = 1,
+};
+
 /**
  * env_get_id() - Gets a sequence number for the environment
  *