diff --git a/beets/mediafile.py b/beets/mediafile.py
index c910c9a86..13f1b2dfb 100644
--- a/beets/mediafile.py
+++ b/beets/mediafile.py
@@ -1941,9 +1941,9 @@ class MediaFile(object):
             u'replaygain_album_gain',
             float_places=2, suffix=u' dB'
         ),
-        MP4SoundCheckStorageStyle(
-            '----:com.apple.iTunes:iTunNORM',
-            index=1
+        MP4StorageStyle(
+            '----:com.apple.iTunes:replaygain_album_gain',
+            float_places=2, suffix=' dB'
         ),
         StorageStyle(
             u'REPLAYGAIN_ALBUM_GAIN',
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 50a2ad518..3ec604a55 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -33,6 +33,8 @@ Fixes:
   requires version 0.4.2 or later of the ``python-mpd2`` library. :bug:`2405`
 * :doc:`/plugins/mpdstats`: Improve handling of mpd status queries.
 * :doc:`/plugins/badfiles`: Fix Python 3 compatibility.
+* Fix some cases where album-level ReplayGain/SoundCheck metadata would be
+  written to files incorrectly. :bug:`2426`
 
 
 1.4.3 (January 9, 2017)