diff --git a/upseto/packegg.py b/upseto/packegg.py
index 3c8a63c..7b0772e 100644
--- a/upseto/packegg.py
+++ b/upseto/packegg.py
@@ -78,7 +78,7 @@ def addArgumentParserParameters(cls, parser):
             help="Continue join those packages with site package")
 
     def _pack(self, zip, script, deps):
-        moduleFinder = modulefinder.ModuleFinder()
+        moduleFinder = modulefinder.ModuleFinder(excludes=self._args.excludeModule)
         moduleFinder.run_script(script)
         deps.add(script)
         zip.write(script, self._pathRelativeToPythonPath(script))