1 files changed, 6 insertions, 2 deletions
diff --git a/app/assets/javascripts/dropzone_input.js b/app/assets/javascripts/dropzone_input.js
index 337f7ae2757..f98f63529fc 100644
--- a/app/assets/javascripts/dropzone_input.js
+++ b/app/assets/javascripts/dropzone_input.js
@@ -4,6 +4,7 @@ import { escape } from 'lodash';
 import './behaviors/preview_markdown';
 import { spriteIcon } from '~/lib/utils/common_utils';
 import { getFilename } from '~/lib/utils/file_upload';
+import { truncate } from '~/lib/utils/text_utility';
 import { n__, __ } from '~/locale';
 import PasteMarkdownTable from './behaviors/markdown/paste_markdown_table';
 import axios from './lib/utils/axios_utils';
@@ -189,10 +190,13 @@ export default function dropzoneInput(form, config = { parallelUploads: 2 }) {
 
         if (image) {
           event.preventDefault();
+          const MAX_FILE_NAME_LENGTH = 246;
           const filename = getFilename(pasteEvent) || 'image.png';
-          const text = `{{${filename}}}`;
+          const truncateFilename = truncate(filename, MAX_FILE_NAME_LENGTH);
+          const text = `{{${truncateFilename}}}`;
           pasteText(text);
-          return uploadFile(image.getAsFile(), filename);
+
+          return uploadFile(image.getAsFile(), truncateFilename);
         }
       }
     }