diff --git a/Mac/Lib/mkcwproject/__init__.py b/Mac/Lib/mkcwproject/__init__.py
index 69a1f32c9f1..ea127eea596 100644
--- a/Mac/Lib/mkcwproject/__init__.py
+++ b/Mac/Lib/mkcwproject/__init__.py
@@ -61,6 +61,7 @@ def makeproject(xmlfile, projectfile):
 	xmlfss = macfs.FSSpec(xmlfile)
 	prjfss = macfs.FSSpec(projectfile)
 	cw.my_mkproject(prjfss, xmlfss)
+	cw.Close_Project()
 	
 def buildproject(projectfile):
 	cw = cwtalker.MyCodeWarrior(start=1)