diff --git a/paw/stos/head/ke/knot.h b/paw/stos/head/ke/knot.h
index 4663d4e..bb6e019 100644
--- a/paw/stos/head/ke/knot.h
+++ b/paw/stos/head/ke/knot.h
@@ -17,11 +17,13 @@
  * @KNOT_MISC:              Misc. reason
  * @KNOT_UNBOUND_RSRC:      Unbounded resource
  * @KNOT_BAD_BOOT_PROTO:    Bad boot protocol
+ * @KNOT_OOM:               Fatal out of memory
  */
 typedef enum {
     KNOT_MISC,
     KNOT_UNBOUND_RSRC,
-    KNOT_BAD_BOOT_PROTO
+    KNOT_BAD_BOOT_PROTO,
+    KNOT_OOM
 } KNOT_REASON;
 
 /*
diff --git a/paw/stos/ke/knot.c b/paw/stos/ke/knot.c
index 13611a7..b88d11a 100644
--- a/paw/stos/ke/knot.c
+++ b/paw/stos/ke/knot.c
@@ -20,7 +20,8 @@
 static const CHAR *ReasonTable[] = {
     [KNOT_MISC] = "unspecified reason",
     [KNOT_UNBOUND_RSRC] = "unbounded resource",
-    [KNOT_BAD_BOOT_PROTO] = "bad boot protocol"
+    [KNOT_BAD_BOOT_PROTO] = "bad boot protocol",
+    [KNOT_OOM] = "out of memory"
 };
 
 /* Globals */