diff --git a/input_tcp_test.go b/input_tcp_test.go
index bbb0cc7..f440c57 100644
--- a/input_tcp_test.go
+++ b/input_tcp_test.go
@@ -40,7 +40,7 @@ func TestTCPInput(t *testing.T) {
 	for i := 0; i < 100; i++ {
 		wg.Add(1)
 
-		encoded := make([]byte, len(msg)*2+1)
+		encoded := make([]byte, len(msg)*2)
 		hex.Encode(encoded, msg)
 		conn.Write(append(encoded, '\n'))
 	}