diff --git a/src/PIL/IcnsImagePlugin.py b/src/PIL/IcnsImagePlugin.py
index 18e8403d1..0e1b20596 100644
--- a/src/PIL/IcnsImagePlugin.py
+++ b/src/PIL/IcnsImagePlugin.py
@@ -368,9 +368,7 @@ if __name__ == "__main__":
     imf = IcnsImageFile(open(sys.argv[1], "rb"))
     for size in imf.info["sizes"]:
         imf.size = size
-        imf.load()
-        im = imf.im
-        im.save("out-%s-%s-%s.png" % size)
+        imf.save("out-%s-%s-%s.png" % size)
     im = Image.open(sys.argv[1])
     im.save("out.png")
     if sys.platform == "windows":