diff --git a/lib/Makefile.am b/lib/Makefile.am
index 7161ed2..4a8a916 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -17,7 +17,7 @@ libiscsipriv_la_SOURCES += iser.c
 endif
 
 if HAVE_LINUX_ISER
-libiscsipriv_la_LDFLAGS = -libverbs -lrdmacm
+libiscsipriv_la_LDFLAGS = -libverbs -lrdmacm -lpthread
 endif
 
 libiscsipriv_la_CPPFLAGS = -I${srcdir}/../include -I$(srcdir)/include \