diff --git a/src/alert.h b/src/alert.h
index 7963fac11..7fa5f4ee5 100644
--- a/src/alert.h
+++ b/src/alert.h
@@ -50,8 +50,7 @@ public:
 
     template <typename Stream, typename Operation>
     inline void SerializationOp(Stream& s, Operation ser_action) {
-        READWRITE(this->nVersion);
-        nVersion = this->nVersion;
+        READWRITE(nVersion);
         READWRITE(nRelayUntil);
         READWRITE(nExpiration);
         READWRITE(nID);