diff --git a/liquids/pump.lua b/liquids/pump.lua
index 724fec8..d9a842a 100644
--- a/liquids/pump.lua
+++ b/liquids/pump.lua
@@ -168,6 +168,7 @@ end
 
 local function after_dig_node(pos, oldnode, oldmetadata, digger)
 	Pipe:after_dig_node(pos)
+	techage.remove_node(pos, oldnode, oldmetadata)
 	techage.del_mem(pos)
 end