diff --git a/app/assets/javascripts/discourse/lib/utilities.js b/app/assets/javascripts/discourse/lib/utilities.js
index 2bc56beafc..2de94c45e2 100644
--- a/app/assets/javascripts/discourse/lib/utilities.js
+++ b/app/assets/javascripts/discourse/lib/utilities.js
@@ -200,7 +200,7 @@ Discourse.Utilities = {
     var fileSizeKB = file.size / 1024;
     var maxSizeKB = Discourse.SiteSettings['max_' + type + '_size_kb'];
     if (fileSizeKB > maxSizeKB) {
-      bootbox.alert(I18n.t('post.errors.' + type + '_too_large', { max_size_kb: maxSizeKB }));
+      bootbox.alert(I18n.t('post.errors.file_too_large', { max_size_kb: maxSizeKB }));
       return false;
     }