diff --git a/PIL/BmpImagePlugin.py b/PIL/BmpImagePlugin.py
index 793bd8edd..b109d2696 100644
--- a/PIL/BmpImagePlugin.py
+++ b/PIL/BmpImagePlugin.py
@@ -103,7 +103,9 @@ class BmpImageFile(ImageFile.ImageFile):
                 file_info['pixels_per_meter'] = (i32(header_data[20:24]), i32(header_data[24:28]))
                 file_info['colors'] = i32(header_data[28:32])
                 file_info['palette_padding'] = 4
-                self.info["dpi"] = tuple(map(lambda x: math.ceil(x / 39.3701), file_info['pixels_per_meter']))
+                self.info["dpi"] = tuple(
+                    map(lambda x: int(math.ceil(x / 39.3701)),
+                        file_info['pixels_per_meter']))
                 if file_info['compression'] == self.BITFIELDS:
                     if len(header_data) >= 52:
                         for idx, mask in enumerate(['r_mask', 'g_mask', 'b_mask', 'a_mask']):
diff --git a/Tests/images/hopper.bmp b/Tests/images/hopper.bmp
new file mode 100644
index 000000000..785700d22
Binary files /dev/null and b/Tests/images/hopper.bmp differ
diff --git a/Tests/test_file_bmp.py b/Tests/test_file_bmp.py
index 69792fe12..fd0f29470 100644
--- a/Tests/test_file_bmp.py
+++ b/Tests/test_file_bmp.py
@@ -49,6 +49,22 @@ class TestFileBmp(PillowTestCase):
 
         self.assertEqual(reloaded.info["dpi"], dpi)
 
+    def test_save_bmp_with_dpi(self):
+        # Test for #1301
+        # Arrange
+        outfile = self.tempfile("temp.jpg")
+        im = Image.open("Tests/images/hopper.bmp")
+
+        # Act
+        im.save(outfile, 'JPEG', dpi=im.info['dpi'])
+
+        # Assert
+        reloaded = Image.open(outfile)
+        reloaded.load()
+        self.assertEqual(im.info['dpi'], reloaded.info['dpi'])
+        self.assertEqual(im.size, reloaded.size)
+        self.assertEqual(reloaded.format, "JPEG")
+
 
 if __name__ == '__main__':
     unittest.main()