diff --git a/taglib/toolkit/tbytevector.cpp b/taglib/toolkit/tbytevector.cpp
index 8971e705..9b2bcc26 100644
--- a/taglib/toolkit/tbytevector.cpp
+++ b/taglib/toolkit/tbytevector.cpp
@@ -432,6 +432,9 @@ int ByteVector::endsWithPartialMatch(const ByteVector &pattern) const
 
 ByteVector &ByteVector::append(const ByteVector &v)
 {
+  if(v.d->size == 0)
+    return *this; // Simply return if appending nothing.
+
   detach();
 
   uint originalSize = d->size;