diff --git a/react b/react
index aa7ca80..bdea347 100644
--- a/react
+++ b/react
@@ -22,8 +22,8 @@ local mon = peripheral.wrap("right")
 --connect to lamp via rednet (if present)
 local modemSide = utils.getSideOf("modem")
 if modemSide then --not nil
-	rednet.open("modemSide")
-	local lampID = rednet.lookup("reactLamp", "reactLamp")
+	rednet.open(modemSide)
+	lampID = rednet.lookup("reactLamp", "reactLamp")
 end
 
 print("Monitoring reactor...")