diff --git a/image.lua b/image.lua
index be1e0210d..14b1d7ead 100644
--- a/image.lua
+++ b/image.lua
@@ -1,7 +1,7 @@
 Image = {}
 
 function Image._getFileData(filename)
-	local f = io.open("test.png")
+	local f = io.open(filename)
 	local data = f:read("*a")
 	f:close()
 	return data