diff --git a/ndn-cpp/encoding/binary-xml-decoder.hpp b/ndn-cpp/encoding/binary-xml-decoder.hpp
index 3e371c3..e7583e5 100644
--- a/ndn-cpp/encoding/binary-xml-decoder.hpp
+++ b/ndn-cpp/encoding/binary-xml-decoder.hpp
@@ -12,8 +12,9 @@
 #include "../c/errors.h"
 #include "../c/encoding/binary-xml-decoder.h"
 
-namespace ndn {
+using namespace std;
 
+namespace ndn {
   
 /**
  * A BinaryXmlDecoder extends a C ndn_BinaryXmlDecoder struct and wraps related functions.
@@ -40,7 +41,7 @@
     int gotExpectedTag;
     ndn_Error error;
     if ((error = ndn_BinaryXmlDecoder_peekDTag(this, expectedTag, &gotExpectedTag)))
-      throw std::runtime_error(ndn_getErrorString(error));
+      throw runtime_error(ndn_getErrorString(error));
     
     return gotExpectedTag;
   }