diff --git a/configure.ac b/configure.ac
index 0a3fd43..71d6517 100755
--- a/configure.ac
+++ b/configure.ac
@@ -137,6 +137,7 @@
   if test "x$succeeded" = "xyes" ; then
     AC_SUBST([BOOST_LIB_DIR], [$(echo "$BOOST_LDFLAGS" | sed -e 's/^\-L//')])
     AC_SUBST([BOOST_CHRONO_LDADD], [$(echo "$BOOST_LIB_DIR/libboost_chrono.a")])
+    AC_SUBST([BOOST_FILESYSTEM_LDADD], [$(echo "$BOOST_LIB_DIR/libboost_filesystem.a")])
     AC_SUBST([BOOST_SYSTEM_LDADD], [$(echo "$BOOST_LIB_DIR/libboost_system.a")])
     AC_SUBST([BOOST_TEST_LDADD], [$(echo "$BOOST_LIB_DIR/libboost_unit_test_framework.a")])
     AC_SUBST([BOOST_THREAD_LDADD], [$(echo "$BOOST_LIB_DIR/libboost_thread.a")])