diff --git a/app/assets/javascripts/discourse/lib/utilities.js.es6 b/app/assets/javascripts/discourse/lib/utilities.js.es6
index 5eeb3a358c4..639c222fd4d 100644
--- a/app/assets/javascripts/discourse/lib/utilities.js.es6
+++ b/app/assets/javascripts/discourse/lib/utilities.js.es6
@@ -170,7 +170,7 @@ export function validateUploadedFiles(files, opts) {
 
   // CHROME ONLY: if the image was pasted, sets its name to a default one
   if (typeof Blob !== "undefined" && typeof File !== "undefined") {
-    if (upload instanceof Blob && !(upload instanceof File) && upload.type === "image/png") { upload.name = "blob.png"; }
+    if (upload instanceof Blob && !(upload instanceof File) && upload.type === "image/png") { upload.name = "__blob__.png"; }
   }
 
   opts = opts || {};
diff --git a/app/controllers/uploads_controller.rb b/app/controllers/uploads_controller.rb
index 57f19f151fd..52659537e29 100644
--- a/app/controllers/uploads_controller.rb
+++ b/app/controllers/uploads_controller.rb
@@ -74,13 +74,14 @@ class UploadsController < ApplicationController
       return { errors: I18n.t("upload.file_missing") } if tempfile.nil?
 
       # convert pasted images to HQ jpegs
-      if filename == "blob.png" && SiteSetting.convert_pasted_images_to_hq_jpg
-        jpeg_path = "#{File.dirname(tempfile.path)}/blob.jpg"
+      byebug
+      if filename == "__blob__.png" && SiteSetting.convert_pasted_images_to_hq_jpg
+        jpeg_path = "#{File.dirname(tempfile.path)}/image.jpg"
         OptimizedImage.ensure_safe_paths!(tempfile.path, jpeg_path)
         `convert #{tempfile.path} -quality #{SiteSetting.convert_pasted_images_quality} #{jpeg_path}`
         # only change the format of the image when JPG is at least 5% smaller
         if File.size(jpeg_path) < File.size(tempfile.path) * 0.95
-          filename = "blob.jpg"
+          filename = "image.jpg"
           content_type = "image/jpeg"
           tempfile = File.open(jpeg_path)
         else