diff --git a/Tests/test_file_eps.py b/Tests/test_file_eps.py
index f9e1702ef..e9d051b11 100644
--- a/Tests/test_file_eps.py
+++ b/Tests/test_file_eps.py
@@ -2,6 +2,7 @@ from tester import *
 
 from PIL import Image, EpsImagePlugin
 import sys
+import io
 
 if EpsImagePlugin.gs_windows_binary == False:
     # already checked. Not there. 
@@ -54,6 +55,18 @@ def test_sanity():
     assert_equal(image2_scale2.size, (720, 504))
     assert_equal(image2_scale2.format, "EPS")
 
+def test_file_object():
+    #issue 479
+    image1 = Image.open(file1)
+    with open(tempfile('temp_file.eps'), 'wb') as fh:
+        image1.save(fh, 'EPS')
+
+def test_iobase_object():
+    #issue 479
+    image1 = Image.open(file1)
+    with io.open(tempfile('temp_iobase.eps'), 'wb') as fh:
+        image1.save(fh, 'EPS')
+
 def test_render_scale1():
     #We need png support for these render test
     codecs = dir(Image.core)
@@ -93,4 +106,3 @@ def test_render_scale2():
     image2_scale2_compare = Image.open(file2_compare_scale2).convert("RGB")
     image2_scale2_compare.load()
     assert_image_similar(image2_scale2, image2_scale2_compare, 10)
-