diff --git a/beetsplug/thumbnails.py b/beetsplug/thumbnails.py
index b1322e7e3..9b22fd357 100644
--- a/beetsplug/thumbnails.py
+++ b/beetsplug/thumbnails.py
@@ -69,7 +69,7 @@ class ThumbnailsPlugin(BeetsPlugin):
             - thumbnail dirs exist (create them if needed)
             - detect whether we'll use PIL or IM
         """
-        if not ArtResizer.local:
+        if not ArtResizer.shared.local:
             self._log.warning("No local image resizing capabilities, "
                               "cannot generate thumbnails")
             return False