diff --git a/src/assets/content/ChartGrid.js b/src/assets/content/ChartGrid.js
index 107ed5d1fbd26dc5f074f373f860c9d409cfe168..d877cef366d7a1b11b5d42abec7b8a4cd22e4be5 100644
--- a/src/assets/content/ChartGrid.js
+++ b/src/assets/content/ChartGrid.js
@@ -17,7 +17,7 @@ export default {
             project: 'Findex',
             vizKey: 'ThreatSankey',
             vizRoute: 'inland-fish-total-threats',
-            img_src: 'Placeholder_thumbnail.png',
+            img_src: 'Placeholder_thumbnail.PNG',
             alt: '',
             chartOrder: 1,
             description: 'Land use change is threatening inland fisheries.'