diff --git a/tests/Makefile.am b/tests/Makefile.am
index ae96f5bf..2446836a 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -135,7 +135,7 @@ EXTRA_DIST = FTPServer.pm FTPTest.pm HTTPServer.pm HTTPTest.pm \
 
 check_PROGRAMS = unit-tests
 unit_tests_SOURCES =
-LDADD = ../src/libunittest.a ../lib/libgnu.a $(LIBS) $(LIB_CLOCK_GETTIME)
+LDADD = ../src/libunittest.a ../lib/libgnu.a @LIBICONV@ @LIBINTL@ $(LIBS) $(LIB_CLOCK_GETTIME)
 
 CLEANFILES = *~ *.bak core core.[0-9]*