diff --git a/lnwire/lnwire_test.go b/lnwire/lnwire_test.go
index f1311c62..8a1e82f6 100644
--- a/lnwire/lnwire_test.go
+++ b/lnwire/lnwire_test.go
@@ -668,11 +668,9 @@ func TestLightningWireProtocol(t *testing.T) {
 
 			numChanIDs := rand.Int31n(5000)
 
-			req.ShortChanIDs = make([]ShortChannelID, numChanIDs)
 			for i := int32(0); i < numChanIDs; i++ {
-				req.ShortChanIDs[i] = NewShortChanIDFromInt(
-					uint64(r.Int63()),
-				)
+				req.ShortChanIDs = append(req.ShortChanIDs,
+					NewShortChanIDFromInt(uint64(r.Int63())))
 			}
 
 			v[0] = reflect.ValueOf(req)