diff --git a/sti/init.lua b/sti/init.lua
index 646a224..82954a7 100644
--- a/sti/init.lua
+++ b/sti/init.lua
@@ -950,8 +950,8 @@ end
 function Map.drawLayer(_, layer)
 	local r,g,b,a = lg.getColor()
 	-- if the layer has a tintcolor set
-	if layer.tintcolor then 
-		r, g, b, a = unpack(layer.tintcolor)
+	if layer.tintcolor then
+		local r, g, b, a = unpack(layer.tintcolor)
 		a = a or 255 -- alpha may not be specified
 		lg.setColor(r/255, g/255, b/255, a/255) -- Tiled uses 0-255
 	-- if a tintcolor is not given just use the current color