--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -17,6 +17,7 @@
 			feature_index.cpp  feature_index.h  lbfgs.cpp \
 			lbfgs.h  learner_tagger.cpp  learner_tagger.h  learner.cpp  \
 			learner_node.h libmecab.cpp
+libmecab_la_LIBADD = $(LTLIBICONV)
 
 include_HEADERS = mecab.h
 bin_PROGRAMS    = mecab