diff --git a/argos/server/routes/views.py b/argos/server/routes/views.py
index c19fb4b..1c3339c 100644
--- a/argos/server/routes/views.py
+++ b/argos/server/routes/views.py
@@ -20,7 +20,7 @@ SEVERITY_LEVELS = {
     "ok": 1,
     "warning": 2,
     "critical": 3,
-    "to-process": 4
+    "unknown": 4
 }