diff --git a/Makefile.am b/Makefile.am
index facc5cd..b51d0c4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -31,7 +31,8 @@
   ndn-cpp/encoding/BinaryXMLWireFormat.cpp ndn-cpp/encoding/BinaryXMLWireFormat.hpp \
   ndn-cpp/encoding/WireFormat.cpp ndn-cpp/encoding/WireFormat.hpp \
   ndn-cpp/encoding/base.h \
-  ndn-cpp/encoding/ccnb.cc ndn-cpp/encoding/ccnb.h
+  ndn-cpp/encoding/ccnb.cc ndn-cpp/encoding/ccnb.h \
+  ndn-cpp/util/ndn_memory.c ndn-cpp/util/ndn_memory.h
 
 test_encode_decode_interest_SOURCES = test/test-encode-decode-interest.cpp
 test_encode_decode_interest_LDADD = ndn-cpp.a