diff --git a/src/messages/MClientCapRelease.h b/src/messages/MClientCapRelease.h
index 5258c5d970f..c1281dee669 100644
--- a/src/messages/MClientCapRelease.h
+++ b/src/messages/MClientCapRelease.h
@@ -33,7 +33,7 @@ private:
 public:
   const char *get_type_name() const { return "client_cap_release";}
   void print(ostream& out) const {
-    out << "client_cap_release(" << head.num << ")";
+    out << "client_cap_release(" << caps.size() << ")";
   }
   
   void decode_payload() {