diff --git a/server.go b/server.go
index cf4b8c05..b7fe2400 100644
--- a/server.go
+++ b/server.go
@@ -170,11 +170,12 @@ func (ps *peerState) forAllPeers(closure func(sp *serverPeer)) {
 // bitcoin peers.
 type server struct {
 	// The following variables must only be used atomically.
+	// Putting the uint64s first makes them 64-bit aligned for 32-bit systems.
+	bytesReceived uint64 // Total bytes received from all peers since start.
+	bytesSent     uint64 // Total bytes sent by all peers since start.
 	started       int32
 	shutdown      int32
 	shutdownSched int32
-	bytesReceived uint64 // Total bytes received from all peers since start.
-	bytesSent     uint64 // Total bytes sent by all peers since start.
 
 	listeners            []net.Listener
 	chainParams          *chaincfg.Params