diff --git a/tools/Makefile b/tools/Makefile
index 13f755ade2..187655e7fd 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -30,7 +30,7 @@ endif
 tools-$(BUILD_TOOLCHAIN) += gmp mpfr mpc libelf expat
 tools-y += m4 libtool autoconf automake flex bison pkg-config sed mklibs
 tools-y += sstrip make-ext4fs e2fsprogs mtd-utils mkimage
-tools-y += firmware-utils patch-image patch quilt yaffs2 flock padjffs2
+tools-y += firmware-utils patch-image patch quilt yaffs2 padjffs2
 tools-y += mm-macros missing-macros xz cmake scons bc findutils gengetopt patchelf
 tools-$(CONFIG_TARGET_orion_generic) += wrt350nv2-builder upslug2
 tools-$(CONFIG_powerpc) += upx
@@ -90,6 +90,9 @@ $(foreach tool, $(tools-y), $(if $(wildcard $(curdir)/$(tool)/patches),$(eval $(
 $(foreach tool, $(tools-y), $(eval $(curdir)/$(tool)/compile += $(curdir)/tar/install))
 tools-y += tar
 
+$(curdir)/tar/compile := $(curdir)/flock/install
+tools-y += flock
+
 $(curdir)/builddirs := $(tools-y) $(tools-dep) $(tools-)
 $(curdir)/builddirs-default := $(tools-y)