diff --git a/nselib/ipp.lua b/nselib/ipp.lua
index d3e574383..047880a78 100644
--- a/nselib/ipp.lua
+++ b/nselib/ipp.lua
@@ -436,3 +436,5 @@ Helper = {
 		return self.socket:close()
 	end,
 }
+
+return _ENV;
\ No newline at end of file