diff --git a/util/epist/actions.hh b/util/epist/actions.hh
index 71d20ce2..66d320b7 100644
--- a/util/epist/actions.hh
+++ b/util/epist/actions.hh
@@ -42,6 +42,8 @@ public:
     numberChain,
 
     cancel,
+
+    NUM_ACTIONS
   };
 
 private: