diff --git a/string.go b/string.go
index 4fad1fe..b0d4147 100644
--- a/string.go
+++ b/string.go
@@ -2,7 +2,7 @@ package htmlescape
 
 func String(str string) string {
 	var buffer [bufferSize]byte
-	var p []byte = buffer[0:9]
+	var p []byte = buffer[0:0]
 
 	p, _ = AppendString(p, str)