diff --git a/tools/Makefile.am b/tools/Makefile.am
index 216bb82..3b9d701 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -1,11 +1,10 @@
+LDADD = ../libndn-cpp-dev.la @BOOST_SYSTEM_LIB@
 
 bin_PROGRAMS = tlvdump ndncatchunks ndnputchunks
 
-tlvdump_SOURCES = tlvdump.cpp
-tlvdump_LDADD = ../libndn-cpp.la @BOOST_SYSTEM_LIB@
+tlvdump_SOURCES      = tlvdump.cpp
 
 ndncatchunks_SOURCES = ndncatchunks.cpp
-ndncatchunks_LDADD = ../libndn-cpp.la @BOOST_SYSTEM_LIB@
 
 ndnputchunks_SOURCES = ndnputchunks.cpp
-ndnputchunks_LDADD = ../libndn-cpp.la @BOOST_SYSTEM_LIB@
+