diff --git a/project/pytools.mk b/project/pytools.mk
index d9c967a..7e04ad7 100644
--- a/project/pytools.mk
+++ b/project/pytools.mk
@@ -4,7 +4,7 @@ PYTOOL_PYDOC  = pydoc
 PYTOOL_SRCDIR = tools
 PYTOOL_DSTDIR = $(DESTDIR)/$(BINDIR)
 
-$(PYTOOL_SRCDIR)/%: $(SOURCE_DIR)/Tools/scripts/%
+$(PYTOOL_SRCDIR)/%: $(SOURCE_DIR)/Tools/scripts/% tree.tag
 		PYCOPY_PYTHON=$(PYCOPY_PYTHON) \
 		PYCOPY_PREFIX=$(PYCOPY_PREFIX) \
 		PYCOPY_DSTDIR=$(PYTOOL_SRCDIR) \