diff --git a/pelicanconf.py b/pelicanconf.py
index fae9d848f..4230c9980 100644
--- a/pelicanconf.py
+++ b/pelicanconf.py
@@ -31,7 +31,8 @@ PLUGINS = [
     "i18n_subsites",
     "summary",
     "events-ics",
-    "complex_footnotes"
+    "complex_footnotes",
+    "thumbnailer"
 ]
 
 MARKDOWN = {