diff --git a/tests/fuzzers/txfetcher/txfetcher_fuzzer.go b/tests/fuzzers/txfetcher/txfetcher_fuzzer.go
index 6c4526bca8..8b501645b6 100644
--- a/tests/fuzzers/txfetcher/txfetcher_fuzzer.go
+++ b/tests/fuzzers/txfetcher/txfetcher_fuzzer.go
@@ -117,6 +117,8 @@ func Fuzz(input []byte) int {
 			var (
 				announceIdxs = make([]int, announce)
 				announces    = make([]common.Hash, announce)
+				types        = make([]byte, announce)
+				sizes        = make([]uint32, announce)
 			)
 			for i := 0; i < len(announces); i++ {
 				annBuf := make([]byte, 2)
@@ -125,11 +127,13 @@ func Fuzz(input []byte) int {
 				}
 				announceIdxs[i] = (int(annBuf[0])*256 + int(annBuf[1])) % len(txs)
 				announces[i] = txs[announceIdxs[i]].Hash()
+				types[i] = txs[announceIdxs[i]].Type()
+				sizes[i] = uint32(txs[announceIdxs[i]].Size())
 			}
 			if verbose {
 				fmt.Println("Notify", peer, announceIdxs)
 			}
-			if err := f.Notify(peer, nil, nil, announces); err != nil {
+			if err := f.Notify(peer, types, sizes, announces); err != nil {
 				panic(err)
 			}