diff --git a/openflow_input/calient b/openflow_input/calient
index 2818e64..038d458 100644
--- a/openflow_input/calient
+++ b/openflow_input/calient
@@ -25,9 +25,9 @@
 };
 
 enum ofp_calient_ocs_alarm(wire_type=uint8_t, bitmask=True){
-    OFPOCSALM_CLEAR = 1,    /* Clear- no alarm */
-    OFPOCSALM_Minor = 2,    /* loss is greater than 5.25 */
-    OFPOCSALM_Major = 3,    /* loss is greater than 7.25 */
-    OFPOCSALM_Critical = 4, /* loss is greater than 10.25 */
+    OFPOCSALM_UNKNOWN=0,      /* level is not relevant, or s/w bug */
+    OFPOCSALM_NORMAL = 1,    /* Clear- no alarm */
+    OFPOCSALM_MINOR = 2,    /* loss is greater than 5.25 */
+    OFPOCSALM_MAJOR = 3,    /* loss is greater than 7.25 */
+    OFPOCSALM_CRITICAL = 4, /* loss is greater than 10.25 */
 };
-