diff --git a/dyaml/reader.d b/dyaml/reader.d
index 6ae638e..cdc6b2a 100644
--- a/dyaml/reader.d
+++ b/dyaml/reader.d
@@ -626,7 +626,7 @@ struct UTFBlockDecoder(size_t bufferSize_) if (bufferSize_ % 2 == 0)
  *
  * Returns: True if all the characters are printable, false otherwise.
  */
-bool printable(const ref dchar[] chars) pure @safe nothrow
+bool printable(const dchar[] chars) pure @safe nothrow
 {
     foreach(c; chars)
     {