diff --git a/src/Makefile.am b/src/Makefile.am
index 56b62bc..1361d31 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,4 +1,4 @@
-LDADD=@LIBXML_LIBS@ @BOOST_FILESYSTEM_LIB@ @BOOST_PROGRAM_OPTIONS_LIB@ @BOOST_DATE_TIME_LIB@ @BOOST_SYSTEM_LIB@ @BOOST_THREAD_LIB@ @BOOST_IOSTREAMS_LIB@ @PROTOBUF_LITE_LIBS@ @PROTOBUF_LIBS@ -losmpbf
+LDADD=@LIBXML_LIBS@ @BOOST_FILESYSTEM_LIB@ @BOOST_PROGRAM_OPTIONS_LIB@ @BOOST_DATE_TIME_LIB@ @BOOST_SYSTEM_LIB@ @BOOST_THREAD_LIB@ @BOOST_IOSTREAMS_LIB@ @PROTOBUF_LITE_LIBS@ @PROTOBUF_LIBS@ -losmpbf -lpthread
 
 AM_LDFLAGS=@BOOST_LDFLAGS@
 AM_CPPFLAGS=-I../include @LIBXML_CFLAGS@ @BOOST_CPPFLAGS@ @PROTOBUF_LITE_CFLAGS@ @PROTOBUF_CFLAGS@