diff --git a/nvttest/Makefile.am b/nvttest/Makefile.am
index 29d87c2..2e25936 100644
--- a/nvttest/Makefile.am
+++ b/nvttest/Makefile.am
@@ -6,4 +6,4 @@ nvttest_SOURCES = \
 
 nvttest_CPPFLAGS = -I$(top_builddir) -I$(top_srcdir) $(CFLAGS_WARN)
 
-nvttest_LDADD = $(top_builddir)/lib/libnvt.la
+nvttest_LDADD = $(top_builddir)/lib/libnvt.la -lpthread