diff --git a/PIL/TiffImagePlugin.py b/PIL/TiffImagePlugin.py
index e6ecabc1d..d6fc9ebc5 100644
--- a/PIL/TiffImagePlugin.py
+++ b/PIL/TiffImagePlugin.py
@@ -172,14 +172,14 @@ OPEN_INFO = {
 
     (II, 1, (1,), 1, (16,), ()): ("I;16", "I;16"),
     (MM, 1, (1,), 1, (16,), ()): ("I;16B", "I;16B"),
-    (II, 1, (2,), 1, (16,), ()): ("I;16S", "I;16S"),
-    (MM, 1, (2,), 1, (16,), ()): ("I;16BS", "I;16BS"),
+    (II, 1, (2,), 1, (16,), ()): ("I", "I;16S"),
+    (MM, 1, (2,), 1, (16,), ()): ("I", "I;16BS"),
 
     (II, 0, (3,), 1, (32,), ()): ("F", "F;32F"),
     (MM, 0, (3,), 1, (32,), ()): ("F", "F;32BF"),
     (II, 1, (1,), 1, (32,), ()): ("I", "I;32N"),
     (II, 1, (2,), 1, (32,), ()): ("I", "I;32S"),
-    (MM, 1, (2,), 1, (32,), ()): ("I;32BS", "I;32BS"),
+    (MM, 1, (2,), 1, (32,), ()): ("I", "I;32BS"),
     (II, 1, (3,), 1, (32,), ()): ("F", "F;32F"),
     (MM, 1, (3,), 1, (32,), ()): ("F", "F;32BF"),
 
diff --git a/Tests/images/16bit.s.tif b/Tests/images/16bit.s.tif
new file mode 100644
index 000000000..f36e68d61
Binary files /dev/null and b/Tests/images/16bit.s.tif differ
diff --git a/Tests/test_file_tiff.py b/Tests/test_file_tiff.py
index 2a9132d48..115a0e765 100644
--- a/Tests/test_file_tiff.py
+++ b/Tests/test_file_tiff.py
@@ -198,6 +198,13 @@ class TestFileTiff(PillowTestCase):
             self.assertEqual(b[0], b'\x01')
             self.assertEqual(b[1], b'\xe0')
 
+    def test_16bit_s(self):
+        im = Image.open('Tests/images/16bit.s.tif')
+        im.load()
+        self.assertEqual(im.mode, 'I')
+        self.assertEqual(im.getpixel((0,0)),32767)
+        self.assertEqual(im.getpixel((0,1)),0)
+
     def test_12bit_rawmode(self):
         """ Are we generating the same interpretation
         of the image as Imagemagick is? """