diff --git a/helper/ccnb-parser/syntax-tree/ccnb-parser-blob.cc b/helper/ccnb-parser/syntax-tree/ccnb-parser-blob.cc
index 0928eb8..4467891 100644
--- a/helper/ccnb-parser/syntax-tree/ccnb-parser-blob.cc
+++ b/helper/ccnb-parser/syntax-tree/ccnb-parser-blob.cc
@@ -25,6 +25,7 @@
 
 Blob::Blob (Buffer::Iterator &start, uint32_t length)
 {
+  m_blob = Buffer (length);
   start.Read (m_blob.Begin (), length);
 }