diff --git a/module/scripts/project/thumbnail-renderer.js b/module/scripts/project/thumbnail-renderer.js
index 1dca4d9..0dd9e50 100644
--- a/module/scripts/project/thumbnail-renderer.js
+++ b/module/scripts/project/thumbnail-renderer.js
@@ -120,7 +120,7 @@ class ThumbnailReconRenderer extends ReconCellRenderer {
    See https://www.mediawiki.org/wiki/Requests_for_comment/Standardized_thumbnails_sizes
    */
   getThumbnailUrl(mediaWikiRootUrl, bareFileName, width) {
-     return `${mediaWikiRootUrl}w/thumb.php?f=${encodeURIComponent(bareFileName)}&w=${width}&h=${width}`;
+     return `${mediaWikiRootUrl}w/thumb.php?f=${encodeURIComponent(bareFileName)}&w=${width}&h=${width}&lossy=lossy`;
   }
 }