diff --git a/src/Dodge/Creature/Impulse/UseItem.hs b/src/Dodge/Creature/Impulse/UseItem.hs
index 5b15bf1a2..cc8fe6ebe 100644
--- a/src/Dodge/Creature/Impulse/UseItem.hs
+++ b/src/Dodge/Creature/Impulse/UseItem.hs
@@ -55,7 +55,7 @@ itemEffect cr it w = case it ^. itUse of
 
 tryReload :: Creature -> Item -> Input -> (World -> World) -> World -> World
 tryReload cr it theinput f
-    | cid == 0 && itNeedsLoading it && _mouseButtons theinput M.!? SDL.ButtonLeft == Just 1 =
+    | cid == 0 && itNeedsLoading it && _mouseButtons theinput M.!? SDL.ButtonLeft == Just 0 =
         cWorld . lWorld . creatures . ix cid %~ crToggleReloading
     | otherwise =
         (runIdentity . pointerToItemLocation (_itLocation it) (return . (itUse . heldHammer .~ HammerDown)))
diff --git a/src/Dodge/Event/Input.hs b/src/Dodge/Event/Input.hs
index 331c34135..e1cc1ddd4 100644
--- a/src/Dodge/Event/Input.hs
+++ b/src/Dodge/Event/Input.hs
@@ -64,7 +64,7 @@ handleMouseButtonEvent :: MouseButtonEventData -> Input -> Input
 handleMouseButtonEvent mbev theinput = case mouseButtonEventMotion mbev of
     Released -> theinput & mouseButtons . at thebutton .~ Nothing
     Pressed -> theinput
-        & mouseButtons . at thebutton ?~ 1
+        & mouseButtons . at thebutton ?~ 0
         & clickPos . at thebutton ?~ (theinput ^. mousePos)
     -- note that mouse button down events are NOT repeating
   where
diff --git a/src/Dodge/Update.hs b/src/Dodge/Update.hs
index dec7a1adb..c2ce69301 100644
--- a/src/Dodge/Update.hs
+++ b/src/Dodge/Update.hs
@@ -91,7 +91,7 @@ updateUniverseFirst u =
 setClickWorldPos :: Universe -> M.Map MouseButton Point2
 setClickWorldPos u = fmap 
     (const (screenToWorldPos (u ^. uvWorld . wCam) (u ^. uvWorld . input . mousePos)))
-    (M.filter (== 1) $ u ^. uvWorld . input . mouseButtons)
+    (M.filter (== 0) $ u ^. uvWorld . input . mouseButtons)
 
 updateWorldEventFlags :: Universe -> Universe
 updateWorldEventFlags u =
@@ -162,13 +162,13 @@ pauseTime itmloc w
     | justPressedButtonLeft || outofcharge = w & timeFlow .~ NormalTimeFlow
     | otherwise = w & pointerToItemLocation (w ^?! cWorld . lWorld . itemLocations . ix itmloc) . itUse . leftConsumption . wpCharge -~ 1
   where
-    justPressedButtonLeft = w ^? input . mouseButtons . ix ButtonLeft == Just 1
+    justPressedButtonLeft = w ^? input . mouseButtons . ix ButtonLeft == Just 0
     outofcharge = maybe True (== 0) charge
     charge = w ^? pointerToItemLocation (w ^?! cWorld . lWorld . itemLocations . ix itmloc) . itUse . leftConsumption . wpCharge
 
 doItemTimeScroll :: Int -> World -> World
 doItemTimeScroll smoothing w = case w ^? input . mouseButtons . ix ButtonLeft of
-    Just 1 -> w & timeFlow .~ NormalTimeFlow
+    Just 0 -> w & timeFlow .~ NormalTimeFlow
     _ -> doTimeScroll smoothing w
 
 doTimeScroll :: Int -> World -> World
diff --git a/src/Dodge/Update/Camera.hs b/src/Dodge/Update/Camera.hs
index b9a89f1c2..2e12807d5 100644
--- a/src/Dodge/Update/Camera.hs
+++ b/src/Dodge/Update/Camera.hs
@@ -47,7 +47,7 @@ updateFloatingCamera cfig w = w
 translateFloatingCamera :: Input -> Camera -> Camera
 translateFloatingCamera theinput cam = fromMaybe cam $ do
     presstime <- theinput ^. mouseButtons . at ButtonLeft
-    guard $ presstime > 1
+    guard $ presstime > 0
     hpos <- theinput ^? heldPos . ix ButtonLeft
     let thetran = 
             screenToWorldPos cam hpos
diff --git a/src/Dodge/Update/Input/InGame.hs b/src/Dodge/Update/Input/InGame.hs
index e8f0031d5..174c8313e 100644
--- a/src/Dodge/Update/Input/InGame.hs
+++ b/src/Dodge/Update/Input/InGame.hs
@@ -61,7 +61,7 @@ updateUseInputInGame u = case u ^. uvWorld . hud . hudElement of
   where
     w = u ^. uvWorld
     pkeys = u ^. uvWorld . input . pressedKeys
-    lbinitialpress = u ^? uvWorld . input . mouseButtons . ix ButtonLeft == Just 1
+    lbinitialpress = u ^? uvWorld . input . mouseButtons . ix ButtonLeft == Just 0
 
 updatePressedButtonsCarte :: World -> World
 updatePressedButtonsCarte w = updatePressedButtonsCarte' (_mouseButtons (_input w)) w
@@ -152,7 +152,7 @@ doRegexInput u i sss
         any
             ((== Just InitialPress) . (`M.lookup` pkeys))
             [ScancodeReturn, ScancodeSlash]
-    endmouse = (Just 1 == ) $ u ^? uvWorld . input . mouseButtons . ix ButtonLeft
+    endmouse = (Just 0 == ) $ u ^? uvWorld . input . mouseButtons . ix ButtonLeft
     backspacetonothing =
         sss ^? sssExtra . sssFilters . ix i . _Just == Just ""
             && ScancodeBackspace `M.lookup` pkeys == Just InitialPress
diff --git a/src/Dodge/Update/Input/ScreenLayer.hs b/src/Dodge/Update/Input/ScreenLayer.hs
index dfed78747..e0a562b57 100644
--- a/src/Dodge/Update/Input/ScreenLayer.hs
+++ b/src/Dodge/Update/Input/ScreenLayer.hs
@@ -60,12 +60,12 @@ mouseClickOptionsList :: ScreenLayer -> Universe -> Universe
 mouseClickOptionsList screen u = fromMaybe u $ do
     sl <- screen ^? scSelectionList
     Just $ case u ^. uvWorld . input . mouseButtons . at ButtonLeft of
-        Just 1 -> fromMaybe u $ do
+        Just 0 -> fromMaybe u $ do
             i <- sl ^. slSelPos
             f <- sl ^? slItems . ix i . siPayload . _1
             return $ f u
         _ -> case u ^. uvWorld . input . mouseButtons . at ButtonRight of
-            Just 1 -> fromMaybe u $ do
+            Just 0 -> fromMaybe u $ do
                 i <- sl ^. slSelPos
                 f <- sl ^? slItems . ix i . siPayload . _2
                 return $ f u