diff --git a/test/Makefile.am b/test/Makefile.am
index 538d826..1f6470d 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -3,6 +3,6 @@
 
 phosphor_inventory_test_SOURCES = \
 	test.cpp
-phosphor_inventory_test_LDFLAGS = $(SYSTEMD_LIBS)
+phosphor_inventory_test_LDFLAGS = $(SYSTEMD_LIBS) $(PTHREAD_CFLAGS)
 phosphor_inventory_test_CFLAGS = $(SYSTEMD_CFLAGS)
 phosphor_inventory_test_LDADD = ${top_builddir}/libmanager.la