Fix typo
diff --git a/ndn-cpp/encoding/BinaryXMLStructureDecoder.hpp b/ndn-cpp/encoding/BinaryXMLStructureDecoder.hpp
index 9439a55..1885cb3 100644
--- a/ndn-cpp/encoding/BinaryXMLStructureDecoder.hpp
+++ b/ndn-cpp/encoding/BinaryXMLStructureDecoder.hpp
@@ -38,7 +38,7 @@
     return gotElementEnd();
   }
   
-  unsigned int getOffset() { return base_._offset; }
+  unsigned int getOffset() { return base_.offset; }
   bool gotElementEnd() { return base_.gotElementEnd != 0; }
   
 private: