diff --git a/customize.dist/images/opengraph_preview/og-diagram.png b/customize.dist/images/opengraph_preview/og-diagram.png
new file mode 100644
index 000000000..68c88de41
Binary files /dev/null and b/customize.dist/images/opengraph_preview/og-diagram.png differ
diff --git a/customize.dist/images/opengraph_preview/og-whiteboard.png b/customize.dist/images/opengraph_preview/og-whiteboard.png
index 910d177c4..b3fde3852 100644
Binary files a/customize.dist/images/opengraph_preview/og-whiteboard.png and b/customize.dist/images/opengraph_preview/og-whiteboard.png differ
diff --git a/scripts/build.js b/scripts/build.js
index b0c0b5597..82b25f160 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -136,6 +136,7 @@ var appIndexesToBuild = [
     'form',
     'poll',
     'whiteboard',
+    'diagram',
     'slide',
     'file',
     'calendar',