diff --git a/beetsplug/thumbnails.py b/beetsplug/thumbnails.py
index 3977c78ef..0e7fbc6e0 100644
--- a/beetsplug/thumbnails.py
+++ b/beetsplug/thumbnails.py
@@ -92,11 +92,11 @@ class ThumbnailsPlugin(BeetsPlugin):
             if not os.path.exists(dir):
                 os.makedirs(dir)
 
-        if has_IM():
+        if get_im_version():
             self.write_metadata = write_metadata_im
             tool = "IM"
         else:
-            assert has_PIL()  # since we're local
+            assert get_pil_version()  # since we're local
             self.write_metadata = write_metadata_pil
             tool = "PIL"
         self._log.debug(u"using {0} to write metadata", tool)
diff --git a/test/test_thumbnails.py b/test/test_thumbnails.py
index 5dd9551b7..30c5bb234 100644
--- a/test/test_thumbnails.py
+++ b/test/test_thumbnails.py
@@ -66,8 +66,8 @@ class ThumbnailsTest(unittest.TestCase, TestHelper):
 
     @patch('beetsplug.thumbnails.os')
     @patch('beetsplug.thumbnails.ArtResizer')
-    @patch('beetsplug.thumbnails.has_IM')
-    @patch('beetsplug.thumbnails.has_PIL')
+    @patch('beetsplug.thumbnails.get_im_version')
+    @patch('beetsplug.thumbnails.get_pil_version')
     @patch('beetsplug.thumbnails.GioURI')
     def test_check_local_ok(self, mock_giouri, mock_pil, mock_im,
                             mock_artresizer, mock_os):