diff --git a/can_structs.h b/can_structs.h
index d118dc8..b45034e 100644
--- a/can_structs.h
+++ b/can_structs.h
@@ -16,6 +16,13 @@ public:
     uint64_t timestamp;
 };
 
+struct CANFlt
+{
+    quint32 id;
+    quint32 mask;
+    bool    notify;
+};
+
 struct J1939ID
 {
 public: