diff --git a/lava-collector b/lava-collector
index b5c3308..cd365d0 100644
--- a/lava-collector
+++ b/lava-collector
@@ -98,7 +98,7 @@ local function despositRefill()
     print('sleeping for 15 seconds, waiting for the buckets to be returned')
     os.sleep(15)
     turtle.suckUp(16)
-    while not redstone.getInput("right") then
+    while not redstone.getInput("right") do
         print('no active redstone signal on the right side, waiting to start')
         os.sleep(5)
     end