diff --git a/pipeworks/init.lua b/pipeworks/init.lua
index 762fa0f..51ad3e0 100644
--- a/pipeworks/init.lua
+++ b/pipeworks/init.lua
@@ -1,3 +1,5 @@
+mesecon=mesecon or {}
+
 -- Pipeworks mod by Vanessa Ezekowitz - 2013-07-13
 --
 -- This mod supplies various steel pipes and plastic pneumatic tubes