diff --git a/elepower_machines/machines/pump.lua b/elepower_machines/machines/pump.lua
index 005d539..81c7527 100644
--- a/elepower_machines/machines/pump.lua
+++ b/elepower_machines/machines/pump.lua
@@ -124,6 +124,7 @@ local function timer(pos, elapsed)
 				-- Run into a non-liquid node, stop the timer
 				refresh = false
 			end
+			break
 		end
 
 		if pliquid ~= "" then