diff --git a/depends.txt b/depends.txt
index 331d858..dadd5fe 100644
--- a/depends.txt
+++ b/depends.txt
@@ -1 +1,2 @@
-default
\ No newline at end of file
+default
+buildtest?
\ No newline at end of file
diff --git a/init.lua b/init.lua
index 99f1b22..2faf12c 100644
--- a/init.lua
+++ b/init.lua
@@ -1,5 +1,15 @@
 dofile(minetest.get_modpath("equivalent_exchange").."/emcs.lua")
 
+if minetest.get_modpath("buildtest")~=nil then
+	buildtest.canPumpInto["equivalent_exchange:condenser"] = {
+		"from",
+		on_send = function(pos)
+			equivalent_exchange.convert(pos)
+		end
+	}
+	buildtest.pumps.pulls["equivalent_exchange:condenser"] = {"from"}
+end
+
 equivalent_exchange = {
 	convert = function(pos)
 		local meta = minetest.get_meta(pos)
@@ -90,4 +100,6 @@ minetest.register_node("equivalent_exchange:condenser", {
 		return count
 	end,
 	emc = 500
-})
\ No newline at end of file
+})
+
+print("[equivalent_exchange] Mod loaded!")
\ No newline at end of file