diff --git a/beetsplug/keyfinder.py b/beetsplug/keyfinder.py
index fa86b1c69..e3e9a86ba 100644
--- a/beetsplug/keyfinder.py
+++ b/beetsplug/keyfinder.py
@@ -61,9 +61,16 @@ class KeyFinderPlugin(BeetsPlugin):
                 continue
 
             try:
-                output = util.command_output([bin, '-f', item.path])
+                output = util.command_output([bin, b'-f',
+                                              util.syspath(item.path)])
             except (subprocess.CalledProcessError, OSError) as exc:
-                self._log.error(u'execution failed: {0}', exc)
+                self._log.error('execution failed: {0}', exc)
+                continue
+            except UnicodeEncodeError:
+                # Workaround for Python 2 Windows bug.
+                # http://bugs.python.org/issue1759845
+                self._log.error('execution failed for Unicode path: {0!r}',
+                                item.path)
                 continue
 
             key_raw = output.rsplit(None, 1)[-1]
diff --git a/docs/changelog.rst b/docs/changelog.rst
index ed567dc8a..e23217196 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -59,6 +59,7 @@ Fixes:
 * Fix a bug, where the autotagger still considers matches that are specifically
   listed under the config's ignored section. :bug:`1487`
 * Fix a bug with unicode strings when generating thumbnails. :bug:`1485`
+* :doc:`/plugins/keyfinder`: Fix handling of Unicode paths. :bug:`1502`
 
 
 1.3.13 (April 24, 2015)