1 files changed, 2 insertions, 2 deletions
diff --git a/app/assets/javascripts/blob/viewer/index.js b/app/assets/javascripts/blob/viewer/index.js
index 54b85e47358..d7c62889dde 100644
--- a/app/assets/javascripts/blob/viewer/index.js
+++ b/app/assets/javascripts/blob/viewer/index.js
@@ -50,9 +50,9 @@ export default class BlobViewer {
 
     if (this.copySourceBtn) {
       this.copySourceBtn.addEventListener('click', () => {
-        if (this.copySourceBtn.classList.contains('disabled')) return;
+        if (this.copySourceBtn.classList.contains('disabled')) return this.copySourceBtn.blur();
 
-        this.switchToViewer('simple');
+        return this.switchToViewer('simple');
       });
     }
   }