diff --git a/kahuna/public/js/upload/jobs/upload-jobs.js b/kahuna/public/js/upload/jobs/upload-jobs.js
index 5f7208f24d..8226bc5c0b 100644
--- a/kahuna/public/js/upload/jobs/upload-jobs.js
+++ b/kahuna/public/js/upload/jobs/upload-jobs.js
@@ -108,7 +108,7 @@ jobs.controller('UploadJobsCtrl', [
             const reason = error.body && error.body.errorKey;
 
             const message = reason === 'unsupported-type' ?
-                'The Grid only supports JPG and PNG images.' +
+                'The Grid only supports JPG, PNG and TIFF images.' +
                 ' Please convert the image and try again.' :
                 error.body && error.body.errorMessage || 'unknown';