diff --git a/encfs/Makefile.am b/encfs/Makefile.am
index 7a803e5..450b039 100644
--- a/encfs/Makefile.am
+++ b/encfs/Makefile.am
@@ -3,7 +3,7 @@ include $(top_srcdir)/Makefile.common
 
 ALL_INCLUDES = @RLOG_CFLAGS@ @OPENSSL_CFLAGS@ @BOOST_CPPFLAGS@
 ALL_LDFLAGS = @RLOG_LIBS@ @OPENSSL_LIBS@ @FUSE_LIBS@ 
-ALL_LDFLAGS += @BOOST_SERIALIZATION_LIB@ @BOOST_FILESYSTEM_LIB@
+ALL_LDFLAGS += @BOOST_SERIALIZATION_LIB@ @BOOST_FILESYSTEM_LIB@ @BOOST_SYSTEM_LIB@
 
 INCLUDES = $(all_includes) -I../intl