diff --git a/game/player.script b/game/player.script
index c7295ee..78e4a22 100644
--- a/game/player.script
+++ b/game/player.script
@@ -223,8 +223,8 @@ local function jump(self)
 		-- compress and stretch player for visual "juice"
 		squish()
 	-- allow double jump if still moving up
-	elseif not self.double_jump and self.velocity.y > 0 then
-		self.velocity.y = self.velocity.y + DOUBLEJUMP_TAKEOFF_SPEED
+	elseif not self.double_jump then
+		self.velocity.y = DOUBLEJUMP_TAKEOFF_SPEED
 		self.double_jump = true
 	end
 	-- add some particles 
diff --git a/input/game.input_binding b/input/game.input_binding
index 9921e47..cdfe6f5 100755
--- a/input/game.input_binding
+++ b/input/game.input_binding
@@ -10,6 +10,10 @@ key_trigger {
   input: KEY_SPACE
   action: "jump"
 }
+key_trigger {
+  input: KEY_UP
+  action: "jump"
+}
 key_trigger {
   input: KEY_X
   action: "fire"