diff --git a/beets/ui/commands.py b/beets/ui/commands.py
index bc57a5431..641b1186f 100644
--- a/beets/ui/commands.py
+++ b/beets/ui/commands.py
@@ -1257,7 +1257,7 @@ def show_stats(lib, query, exact):
     for item in items:
         if exact:
             try:
-                total_size += os.path.getsize(item.path)
+                total_size += os.path.getsize(syspath(item.path))
             except OSError as exc:
                 log.info('could not get size of {}: {}', item.path, exc)
         else:
diff --git a/docs/changelog.rst b/docs/changelog.rst
index df54089f2..3803894b2 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -4,7 +4,10 @@ Changelog
 1.3.18 (in development)
 -----------------------
 
-Changelog goes here!
+Fixes:
+
+* Fix a problem with the :ref:`stats-cmd` in exact mode when filenames on
+  Windows use non-ASCII characters. :bug:`1891`
 
 
 1.3.17 (February 7, 2016)