diff --git a/taglib/mpeg/id3v1/id3v1tag.cpp b/taglib/mpeg/id3v1/id3v1tag.cpp
index 0b8d1287..49162e5c 100644
--- a/taglib/mpeg/id3v1/id3v1tag.cpp
+++ b/taglib/mpeg/id3v1/id3v1tag.cpp
@@ -64,6 +64,11 @@ String ID3v1::StringHandler::parse(const ByteVector &data) const
 
 ByteVector ID3v1::StringHandler::render(const String &s) const
 {
+  if(!s.isLatin1())
+  {
+    return ByteVector();
+  }
+
   return s.data(String::Latin1);
 }