diff --git a/Tests/images/rgb_trns.png b/Tests/images/rgb_trns.png
new file mode 100644
index 000000000..dee80acdc
Binary files /dev/null and b/Tests/images/rgb_trns.png differ
diff --git a/Tests/test_file_png.py b/Tests/test_file_png.py
index 5ae726ad8..98f2cec6d 100644
--- a/Tests/test_file_png.py
+++ b/Tests/test_file_png.py
@@ -150,6 +150,17 @@ def test_load_transparent_p():
     # image has 124 uniqe qlpha values
     assert_equal(len(im.split()[3].getcolors()), 124)
 
+def test_load_transparent_rgb():
+    file = "Tests/images/rgb_trns.png"
+    im = Image.open(file)
+
+    assert_image(im, "RGB", (64, 64))
+    im = im.convert("RGBA")
+    assert_image(im, "RGBA", (64, 64))
+
+    # image has 867 transparent pixels
+    assert_equal(im.split()[3].getcolors()[0][0], 867)
+
 def test_save_p_transparent_palette():
     in_file = "Tests/images/pil123p.png"
     im = Image.open(in_file)