diff --git a/Makefile b/Makefile
index 666c9df..2d82418 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@
 
 PYANG_OPTIONS := -Werror
 
-all: $(PYTHON_MODELS) pyangbind
+all: $(PYTHON_MODELS) pyangbind trees
 	$(MAKE) package
 
 trees: $(YANG_DESC_TREES) $(YANG_DESC_JSTREES) $(YANG_RECORD_TREES) $(YANG_RECORD_JSTREES)