1 files changed, 4 insertions, 1 deletions
diff --git a/app/assets/javascripts/blob/viewer/index.js b/app/assets/javascripts/blob/viewer/index.js
index 07d67d49aa5..69ff2f95799 100644
--- a/app/assets/javascripts/blob/viewer/index.js
+++ b/app/assets/javascripts/blob/viewer/index.js
@@ -8,7 +8,10 @@ export default class BlobViewer {
     this.richViewer = document.querySelector('.blob-viewer[data-type="rich"]');
     this.$fileHolder = $('.file-holder');
 
-    let initialViewerName = document.querySelector('.blob-viewer:not(.hidden)').getAttribute('data-type');
+    const initialViewer = document.querySelector('.blob-viewer:not(.hidden)');
+    if (!initialViewer) return;
+
+    let initialViewerName = initialViewer.getAttribute('data-type');
 
     this.initBindings();