diff --git a/src/Dodge/Data.hs b/src/Dodge/Data.hs
index 9f0fafc79..da95a6561 100644
--- a/src/Dodge/Data.hs
+++ b/src/Dodge/Data.hs
@@ -958,6 +958,7 @@ data Machine = Machine
     , _mcWallIDs    :: IS.IntSet
     , _mcUpdate :: Machine -> World -> World
     , _mcDeath  :: Machine -> World -> World
+    , _mcApplyDamage    :: [Damage] -> Machine -> World -> World
     , _mcDraw   :: Machine -> SPic
     , _mcPos    :: Point2
     , _mcDir    :: Float
diff --git a/src/Dodge/Default.hs b/src/Dodge/Default.hs
index d90c928da..fa02bbfff 100644
--- a/src/Dodge/Default.hs
+++ b/src/Dodge/Default.hs
@@ -209,6 +209,7 @@ defaultMachine = Machine
     , _mcWallIDs = mempty
     , _mcUpdate = defaultMachineUpdate
     , _mcDeath  = \_ -> id
+    , _mcApplyDamage = \_ _ -> id
     , _mcDraw = const mempty
     , _mcPos = V2 0 0
     , _mcDir = 0
diff --git a/src/Dodge/Machine.hs b/src/Dodge/Machine.hs
index 66b545650..5db2c61bd 100644
--- a/src/Dodge/Machine.hs
+++ b/src/Dodge/Machine.hs
@@ -1,6 +1,7 @@
 module Dodge.Machine where
 import Dodge.Data
 import Dodge.Wall.Delete
+import Dodge.Machine.Damage
 import LensHelp
 import Sound.Data
 import Dodge.SoundLogic
@@ -9,6 +10,9 @@ import Dodge.Base
 
 import qualified Data.IntMap.Strict as IM
 
+basicMachineUpdate :: (Machine -> World -> World) -> Machine -> World -> World
+basicMachineUpdate f mc = basicMachineApplyDamage mc . f mc
+
 machineUpdateLiveDieEff 
     :: (Machine -> World -> World)  -- | effect when hp >= 1
     -> (Machine -> World -> World)  -- | effect (once) when hp < 1
diff --git a/src/Dodge/Placement/Instance/Terminal.hs b/src/Dodge/Placement/Instance/Terminal.hs
index f3ce29533..7843381f9 100644
--- a/src/Dodge/Placement/Instance/Terminal.hs
+++ b/src/Dodge/Placement/Instance/Terminal.hs
@@ -42,7 +42,7 @@ putTerminal col f = ps0PushPSw PutNothing $ \_ _ -> Just $
     $ \pl -> Just $ pt0 (PutMachine col (reverse $ square 10) defaultMachine
     { _mcDraw = noPic . terminalShape col
     , _mcHP = 100
-    , _mcUpdate = machineAddSound fridgeHumS (\_ -> id)
+    , _mcUpdate = basicMachineUpdate $ machineAddSound fridgeHumS (\_ -> id)
     , _mcDeath = \mc -> (buttons . at (fromJust (_plMID pl)) .~ Nothing)
         . makeExplosionAt (_mcPos mc)
     })