diff --git a/make/ytools.mk.in b/make/ytools.mk.in
index a565442f..76c81cbf 100644
--- a/make/ytools.mk.in
+++ b/make/ytools.mk.in
@@ -48,3 +48,4 @@ else
 	include $(TOPDIR)/make/cfg_dist.mk
 endif
 
+LDFLAGS += -lytools -ldl -pthread